哈單字
彭蒙惠英語 2016/4
contentious
(adj)
有爭議的；引起爭論的；可能引發爭議的
Gordon avoids talking about the presidential election with his coworkers because it is a contentious issue.
戈登避免和同事談論總統大選，因為這是一個引起爭論的話題。
