The past and the future; encompassing all of time, both what has transpired and what is yet to come.
面对生活的挑战，我们不仅要回顾过去未来，更要把握当下，珍惜眼前的每时每刻。
Facing life's challenges, we should not only reflect on the past and future, but also seize the present, cherishing every moment.
Era:
Ancient
Frequency:
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