我们应该发出晚会的书面邀请，否则说不准到底有多少人会来参加。

我们应该发出晚会的书面邀请，否则说不准到底有多少人会来参加。的英文翻译

基本释义

• We should send out written invitations to the party or there's no saying how many people will turn up.