比如，他无法在一名乞丐走近向他要钱时感到很自在，这个世界仍然存在许多问题。

For example, he wouldn't feel comfortable when a beggar came up to him for money. There were still many problems existing in the world.

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水的发现结果来自在撞击之后对色谱颜色上微小改变的分析，它显示了令人信服的水分子存在的印记，即这些分子吸收了光波的特定波长。

The water findings came through an analysis of the slight shifts in color after the impact, showing telltale signs of water molecules that had absorbed specific wavelengths of light.

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优秀的写作能力是一项难得的技能。读起来轻松自在的文字，常常令人意识不到这项技能的存在。

Good writing is a rare skill, though it often goes unnoticed when it produces easily read text.

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