翻译:我经常给外国我朋友写信,这多亏了你们万国邮政联盟为我们提供了方便
I give the foreign country me the friend to write a letter frequently, this had been lucky your international postal service alliance has provided conveniently for us
I give the foreign country me the friend to write a letter frequently, this had been lucky your international postal service alliance has provided conveniently for us