The subject nature of library science is a controversial proposition. There are five representative viewpoints at present.

图书馆学学科性质是有争议的命题，目前具有代表性的观点有五种。

youdao

Let me start out by putting what I think is a relatively controversial proposition on the table and that's that this investment management business, when stripped down to its bare essentials, is really quite simple.

让我从一个,相对争议的话题开始,投资管理业务,当剥离种种表象追溯到其本质时,其实非常简单

耶鲁公开课 - 金融市场课程节选

California's high court heard arguments three weeks ago in a case tackling the constitutionality of the controversial ballot proposition.

CNN: Vermont on cusp of legalizing same-sex marriage