Yet,when a musician played with Duke Ellington, he usually stayed, sometimes for many years.

VOA: special.2010.08.15

And yet get a valid test. Sometimes it can be timing. If you're running multiple processes.

有些时候当你运行多线程时,是因为时间的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yet studies show that crying sometimes makes people feel worse.

VOA: special.2009.01.28

Sometimes,it describes something that is not yet ripe or finished.

VOA: special.2010.05.23