send in

详细解释:递送, 命(或请)...进来

英语解释：

动词 send in:

mail in; cause to be deliveredgive one's name or calling card to a servant when making a formal visit

例句：

I will like to know what we shall have to do if we agree to send in our bid.我想知道，如果我们同意投标应该做哪些事情。