The difference between welding, soldering and brazing what's the difference between welding, soldering and brazing?? who can tell me?

what difference between somtime,sometimes, some time, some times? thanks

Business trip I like business trip before, because I could take some time hanging out in other city when finished the work, and buy some local snacks for my colleagues or friends. But it sees gradually changed now, I prefer staying at office and busy with paper work, going home and rest after work time. Besides, I dislike living in hotel, it make me poor sleep quality at night. What’s wrong with me? Am I getting old?

Do you know Weixin? There is a chat software which called Winxin, is very popular in China, most of young people have installed this software in their mobile phone. In this way, they can chat with friends anytime because people usually keep mobile phone around. With this software, you can sent text or voice message to your friend, you can set up a friend zoon, which involve some of your good friends and discuss something together, you can write some words or upload some pics, share with your friends and get some comments from them, you can even search for some guys who use Weinxin also nearby you. Dose this software widely used in other countries?

So big fog There is so big fog this morning, we can only see something in about 10 metres arround you, the car on the road runs slowly with the caution lights blinking.

Going to work in the morning With the alarm bleeping in the morning, I need get up at 6:30 am as soon as possible, it's painful moment in a day, as you know, it's diffcult to open your eyes,it's a fight to get out of the warm bed. but i have no other option but to get up at once, get dressed,brush teeth,wash face... When open the door and leave home, the fresh air and sunshine comfort me, maybe it's a lucky day. My work place is not far from my home, it will take 15 mins by walk, I perfer walkling to company instead of by bus. it will not miss any view on the way, some people doing morning exercise, some people like me walking hurried to their work place, some peolpe cleaning the road...the town become busy in the morning. working... Get off work at 16:40, happy time...

Do you usually shopping on-line? On-line shopping become more and more popular for young people, i think one of the imprortant reason is convenience and save time. you can browse and select all kinds of goods which you want, just sit before your computer instead of go everywhere, furthermore, logistics distribution problems which most people ever worried about now is improved, if you palce an order on-line today, you will get the good tomorrow. I often shopping on-line on the website 360buy.com(jd.com), because there is a big jd store nearby my home, i can go there pick up goods myself, if I order at evening, I can pick up good next morning brefore go to work; if i order in the morning, I can pick up the good after work.

I won't to bo be silent english any more, who can help me?