来自程洪书的问题
【Stampcollectingisperhapsthemostpopular5hobbyintheworld.】
Stampcollectingisperhapsthemostpopular5hobbyintheworld.


【Stampcollectingisperhapsthemostpopular5hobbyintheworld.】
Stampcollectingisperhapsthemostpopular5hobbyintheworld.
Stampcollectingisperhapsthemostpopularhobbyintheworld
译:也许集邮是世界上最受欢迎的业余爱好.