教授，谢谢您花时间回答我的问题。

Thanks for taking the time to answer my questions, Professor.

youdao

学习、研究并享受其中乐趣！谢谢您的回答。

Learn, study and enjoy! Thank you for your replies.

youdao

除非他要请你喝的饮料就在旁边，触手可及，否则你应该回答说不用了，谢谢您。

Unless the beverage in question is right there and won't take more than a second to get, just say, no, thank you.

youdao