There was, of course, no postal service between england and germany. mail had to via a neutral country. and all such mail was sure to be censored .

英德之间无直接通邮关系，往返邮件必须经过一个中立国，而且要严检查。

youdao

There was, of course, no postal service between england and germany. mail had to via a neutral country. and all such mail was sure to be censored .

英德之间无直接通邮关系，往返邮件必须经过一个中立国，而且要严检查。

youdao