从信封的透明窗必须能够看清楚地址。

The address must be clearly visible through the window of the envelope.

《牛津词典》

青春是一扇透明的窗，你在窗内，而现实却在窗外。

Youth is a transparent window, you window, but the reality is out the window.

youdao

青春是一扇透明的窗，你在窗内，而现实却在窗外。

Youth is a transparent window, you window, but the reality is out the window.

youdao