It's all too easy to fall out of sync with your family, especially when relatives are spread out in different states, time zones or countries.

人海茫茫，很多人一不小心就失去了家人的音信，尤其是在你的亲人们分散在不同的州、不同的时区，甚至是不同国家的情况下。

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These two identical, adjacent, battery-operated clocks were initially set to the same time, but, with time, they will inevitably fall out of sync.

这两只紧挨着的一模一样的电池供电钟表，最初被设置成一样的时间，但是，随着时间的流逝它们最终失去同步性。

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