Difference in time zone, jet lag, lack of morning coffee - are frequently cited reasons as to why you're especially grouchy.
时区的不同、时差、或者没有早茶，这些都是经常会引起你特别不高兴的原因。
Many people already use Provigil to cope with night-shift work, jet lag and lack of sleep, and suffer few side-effects.
很多人会在上夜班、长途飞行以及缺少睡眠时服用Provigil，只会有轻微的副作用。
The anticipation is that air travel would be ruined due to lack of jet fuel and burping volcanoes creating dust clouds devastating to jet engines.
预期在将来由于缺乏喷气燃料和火山喷发造成的尘埃云会毁掉喷气引擎，空中旅行将无法进行。
应用推荐