Even a seemingly trivial item becomes extremely valuable when it is urgently needed or in a critical situation.
在沙漠中迷路时，一小瓶水真是中河失舟，一壶千金，每一滴都弥足珍贵。
When lost in the desert, a small bottle of water truly illustrates the meaning of '中河失舟，一壶千金', with every drop becoming incredibly precious.
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