【Ryan Guan】評論
inaudible:impossible to hear : not audible
【林郁倢】評論
productive adj.生產的abundant adj.大量的；充足的inaudibleadj.聽不見的；無法聽懂的reluctant adj.不情願的；勉強的
【Ethan Liu】評論
productive B2 having positive results富有成效的We had a very productive meeting - I felt we solved lots of problems.我們開了一個極有成效的會議——我覺得我們解決了很多問題。
【Cindy】評論
Kang agreed that a great deal was accomplished at yesterday's meeting, and the marketing group in particular found it -------.康同意昨日會議中成交一筆大生意，行銷小組特別認為有成效。