现在，答应我记着这个，在五月二十一日上午同样的时间等着我。

Now promise me to remember this, and expect me on the 21st of May at the same hour in the forenoon.

youdao

感谢您五月二十一日来函询问纯羊毛衫。

Thank you for your inquiry of May 21 for pure woolen sweaters.

youdao

我在该年五月二十一日发表文章，说控制货币量不会有效，因为无法做到。

I published an article on May 21, saying that there was no point to control the money supply, because it cannot be done.

youdao