Across continents and

time zones,

as predictable as

the ocean tides, was the

same daily oscillation—

a peak, a trough, and

a rebound.

不管是在哪个大洲、哪个时区，人们每天的情绪都像潮汐一样规律变化、起伏有常：从高峰到低谷，再返回高峰。