Do you know some usual sentences in mandarin..like have a nice weekend..
Looking for some sentences which u can use for first contact in business and privat. Like: Thanks for the nice dinner, have a nice weekend,...which u can use for business and privat - just for learning. If u want i can teach u some german "daily sentences"...thx chris^^

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"Thanks for the nice dinner"-----Xie xie nin de wan can. 谢谢您的晚餐。

Have a nice weekend-----zhou mo yu kuai. 周末愉快。

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u can find a lot of daily sentences on line 
such as http://hometown.scau.edu.cn/?viewthread-3725
but if u really want to learn chinese i think u must learn from pinyin(phonetic symbol)

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i have some useful common setences, however, what a pity, i have to foucs on my final exams, and will leave campus the end of this month. u can search some by internet.
and the website i sent u in another question box may help u in somehow, just have a try.

Evden çıkmadan dil öğrenme fırsatını kaçırmayın. Deneyimli dil eğitmenlerimizden oluşan seçkimize göz atın ve ilk dersinize şimdi kaydolun!