怎样才算妥投？雨三《邮处》３１９条第３款规定：投交平常函件（包括寄退的回执）和报纸时，不需要用户签收。……投交给居民个人的，必须认真核对地址、姓名，严禁将邮件乱放在收件人门口、门外等易于丢失的地方或在途中托人捎转。不论采取何种投交方式都要做到妥投。怎... How to vote properly? Section 3 of Article 319 of the “Three Mail Office” stipulates that the user is not required to sign the ordinary mail (including return receipt) and newspapers. Submitted to the residents of individuals, we must carefully check the address, name, is strictly prohibited in the mail on the recipients in disorder, the door and other places easily lost or entrusted to take care of transit. No matter what kind of investment should be done to vote. How...