单词post-free
adj.: 免付邮资的
网络: 免邮资的；邮资已付的
免付邮资的:
used to describe sth that you can send by post without having to pay anything
免邮资的
Please fill in this form completely and fax it to us, we will then post free entry tickets to you in advance.
填好表格后传真至组委会，组委会将提前给您寄送免费入场证。
Of course, we all make mistakes, but do your best to publish a post free of obvious errors.
当然人是不可能不犯错的，但是至少可以努力减少犯错机率。
We can post free professional profile on site.
我们可以在网上免费投递专业的简历。