你看到那份关于开支的备忘录了吗？

Did you see the ___memo about expenses?

他把结论写进了一份给委员会秘书的备忘录中。

He put his conclusions in a ___memo to the committee secretary.

如果您需要，我会通过备忘录发送电子邮件地址。

I will send the email address in a ___memo if you require it.