What he needed was to get the jump on the crowds by knowing which carriage he should board to arrive at the platform exit.
其实要想避开人群的话，他只需要在上地铁的时候知道哪节车厢是直通月台出口就行了；
Each phase has its exit point, which should be evaluated according to predefined exit criteria.
每个阶段有它自己的退出点，它们是根据预先确定的退出标准来评估的。
When you hear the fire alarm, which is a very loud, continuous ringing noise, you should go to the nearest fire exit or fire escape as quickly as possible.
当你听到非常大的火警的声音、连续的振铃的时候，尽快地跑到最近的安全出口或者安全梯。
When you hear the fire alarm, which is a very loud, continuous ringing noise, you should go to the nearest fire exit or fire escape as quickly as possible.
当你听到非常大的火警的声音、连续的振铃的时候，尽快地跑到最近的安全出口或者安全梯。
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