It has become a more and more series problem that how to help the old learn to use cellphones.
英语翻译“怎么帮助老人学会使用手机”已经成为一个越来越严重的问题.我想用一个主要从句引出,请单词我都知道,请问怎么写?
It has become a more and more series problem that how to help the old learn to use cellphones.