信封上有一个便签，上面写：“未寄出的信。”

There was a post-it note on the envelope that said, "Letters I was too stubborn to send."

youdao

信封上有一个便签，上面写：“未寄出的信。”

There was a post-it note on the envelope that said, "Letters I was too stubborn to send."

youdao