引用:
原帖由 勁揪俠 於 2015-5-21 12:00 發表 
"...畢竟雙打只是兼項..."
If the writer spend more time to study other similar sports like tennis and badminton, he shouldn't have said that.
the guy may be good for essay only. he can't reply the answer very clear to the audience. he can't show his videos too.
