Don't delay – send off for the information now.别拖了,现在就去函索取信息。We had to send off to Ireland for a replacement part.我们只得写信到爱尔兰索要替换零件。Did you send off for details of the competition?你去函索取介绍竞赛详情的资料了吗?When did you send off your application form?你的申请表是什么时候寄出去的?