If there is an opening or if there are any openings or if there is any opening? If there is an opening, I would like to accept an interview invitation on short notice.

What does "open time" mean? from "Let me know if you have too much open time"

What does it mean by saying "Do you want to work out with us?" Actually, I am not sure it's "Do you want to work out with us?" or "Do you want to walk out with us?".

How to understand "It may precede or follow something."? From my perspective, "precede" means something happens earlier than another thing, however, "follow" means that something happens after another thing. Why can they use together to express the same meaning? Chronic bronchitis — Chronic bronchitis is defined as a chronic productive cough for three months in each of two successive years in a patient in whom other causes of chronic cough (eg, bronchiectasis) have been excluded [7]. It may precede or follow development of airflow limitation [7,9]. This definition has been used in many studies, despite the arbitrarily selected symptom duration.Why can they be used together to express the same meaning?

The schedule is fine with me. vs The schedule is perfect for me. vs The schedule sounds great to me. I will have a 2-month rotation in a clinic. My doctor sent me an email including detailed schedule or arrangement of my rotation. I totally agree with the schedule. Meanwhile, I want him to know that I am really grateful. How should I respond to his email?

What does it mean by saying "Let me know how everything works out for you!" at the end of an email.

Jet lag problem I just came back from the US to China 4 days ago. Still suffering from jet lag. Poor sleep overnight. Any suggestions concerning this problem?

Can I say "I have more confidence with my application." Is "have confidence with sth" correct?

How would you respond if someone tells you anything you didn't know before? My answer: Thanks for letting me know this! I didn't know that before!