When dusk had fallen, I should experience the double delight of being able to see by artificial light which the genius of man has created to extend the power of his sight when nature decrees darkness.

当夜幕降临之后，通过人类天才的发明人造灯光，我应该体会到双重的快乐。这是大自然当黑夜来临时，为增强自己的视力而发明的。

youdao

Residential prices have dropped double digits for three years running with no abatement in sight.

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