AP News:特朗普安倍会面

1. President Donald Trump said he wants to see "free, fair and reciprocal trade with Japan" as he sat down with the country's Prime Minister Shinzo Abe at Trump's Mar-a-Lago estate.

reciprocal 互惠的

Confucius for example advocates the cultivation of reciprocal perspectives.
例如，孔子提倡,相互主义概念的培养。

2.It's the centerpiece of an effort to ensure that the country's single-party system outlasts the aging revolutionaries who created it.

centerpiece 核心部分

But she was adamant about one thing: she would not pay a new property tax that was the centerpiece of a new austerity package announced this month by the Greek government.
不过她对一点十分肯定：她肯定不会缴希腊政府本月新增加的一笔财产税——这类新税收是政府新一轮经济紧缩政策的核心措施。