第一: first; primary; foremost; fi ...是: Semantics一个是: to ditch另一个是: if it does not reverse哪一个是……: which was下一个是你: down to you一个是阴谋一个是策划: plans哪一个是对的: society today哪一个是哪一个: which is which一个原因是…另一个是…: for one thing…for another第一个: stei concept ka; zh-hk一个是不同时间点,一个是同一个时间点: time series sample vs. cross-sectional data另外一个是动加上: to t-o to一个是不同时间点: sample statistic hypothesized value)/standard error一个是真的爱你的: the ones who really love you一个是风华正茂,一个是风烛残年: i was a little surprised that he had married her,but these may-december alliances are commoner than one likes to admit.哪一个是你该放弃的: which one you let go哪一个是你可以实现的: would have made you complete但第一个: jumbled up第一个层次: the first stage第一个出口: primary outlet; principal outlet第一个方案: the first string第一个访客: first-foot第一个浮标: leading buoy第一个浮筒: leading buoy