If you don't put anything in, you won't get anything out. "- William Christopher handy."

如果你不放点东西在它里面，你就不会得到任何东西。

youdao

If you don't put anything in, you won't get anything out. "- William Christopher handy."

如果你不放点东西在它里面，你就不会得到任何东西。

youdao