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It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

釋義：人的外貌可能相似，但內(nèi)心和性格卻各不相同。

The most exciting thing is when you suddenly see the solution to a problem that has been puzzling you for a long time.

感知的動態(tài)受“完形律”（良好形式）原則支配。