You, again, see this on invitations, any type of invite, you will see this.

这同样会出现在邀请函上，你会在任何形式的邀约上看到。

Now, this is not an expression that I have seen a lot on invitations.

现在，这不是我在邀请函上经常看到的表达方式。

The USAF issued bid invitations for these requirements on February 13, 1946, with Boeing, Consolidated Aircraft, and Glenn L. Martin Company submitting offers.

美国空军于 1946 年 2 月 13 日针对这些要求发出招标邀请，波音公司、联合飞机公司和格伦·马丁公司提交了报价。

So it means, again, " Please send me a reply so I know you're coming." You, again, see this on invitations, any type of invite, you will see this.

所以它的意思是， 再一次，“请给我回复， 这样我就知道你会来了。 ”你，再一次，在邀请函上看到这个， 任何类型的邀请， 你都会看到这个。

Whether or no she found in this phrase all the meaning he had put into it I am unable to say; but she accepted the invitation on any terms.

她是否从这句话中找到了他赋予它的所有含义， 我无法说； 但她无论如何都接受了邀请。

This is not English, but French, and is normally seen on invitation cards. It just means, “respond if you please”, so you’d take it as an invitation to respond to whatever was asked of you.

(那个不是英文吧)这不是英文，而是法文。通常会在邀请卡上面看到 (像是婚礼邀请函等)。它的意思就是「若你愿意请回复」，所以你就可以把它当作一个邀请。