I don't mind writing the invitations. When shall we get them out for?

我不介意写邀请，我们什么时候发出去？

The letters BYOB are often found at the bottom of a written invitation to a simple social event or gathering of friends.

字母组合BYOB通常见于简单社交活动或朋友聚会的书面邀请底部。

In the past, you would have mostly seen it in written invitations but these days you'll see it in emails, you'll see it in online invitations, too.

在过去，你看到的大多数都是书面邀请，但现在你会在电子邮件中看到，你也会在在线邀请中看到它。