The issue has become a hot-button issue in a congressional election year.

国会选举年， 这个问题是炙热可手的话题。

Huawei has become a hot-button issue leading up to the U.S. Presidential elections as well.

华为已经成为事关美国总统选举的一个热点问题。

Huawei has become a hot-button issue leading up to the U. S. Presidential elections as well.

华为已经成为事关美国总统选举的一个热点问题。

The state of Malaysia's public toilets has become a hot-button issue, with tourists saying they were often dirty and lacked basic items such as soap and paper.

关于马来西亚公共洗手间卫生状况的问题已经成为人们街谈巷议的一个热门话题，外国游客对此更是怨声载道，他们声称那些地方总是显得很脏而且缺乏诸如香皂和卫生纸等必备物品。

But despite the passage of time and the accumulation of supporting data, teaching evolutionary theory in the classroom is still a hot-button issue in some U.S. schools.

纵使时间推移，数据累积，在美国的一些学校，进化论能否进入课堂仍是一个热点问题。