2007.11.01 : I chanced upon the book in a small bookstore.
我在一家小书店偶然发现了这本书。
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chance on/upon: come across unexpectedly;meet by accident 偶然发现
再如:
I chanced on him last week for the first time in years.
上周是我几年来第一次碰到他。
海纳百川,有容乃大;壁立千仞,无欲则刚。