Black and white replacement, light and shade trees, like the deep night and invigorating day.

黑白更替，明暗掩映，宛如深邃黑夜与朗朗白昼。

youdao

Black and white replacement, light and shade trees, like the deep night and invigorating day.

黑白更替，明暗掩映，宛如深邃黑夜与朗朗白昼。

youdao