"有效期截止到今年12月底"英语怎么说?
问题描述：
"有效期截止到今年12月底"英语怎么说?
答
The period of validity will be ended at the end of the December.
答
The expiry date is the end of this Dec
答
The period of validity will be closed by the end of this December.
答
XXX will expire by the end of Dec this year.
答
the expiry date is the end of December.
答
the end-date up to the end of december this year
the valid date tills the end of december this year