1.1.今日学习：What is your comment on ZMJ or CAT?
请问你对郑煤机或卡特彼勒的评价如何？
In principle, we don't comment on the issues in other companies. I would like to point out that striving for stability and development in the coal mining machinery industry is the common responsibility as well as shared aspirations of all companies relevant.
原则上讲，我们不对别的公司做出评价，但我想要指出，促进煤矿机械领域稳定和发展是煤矿机械领域涉及的各个公司的共同责任，也是共同期待。
1.2. 结构:
1.In principle 原则上来讲
2.what is your comment on sth 你对某事的看法是什么？
3.I would like to point out that 我想要指出
1.3. 原句：原则上来说，我们对它国人事任免不做评价。但我想指出的是，促进亚太地区稳定与发展是地区各国的共同责任，也是共同期待。
A: In principle, we don't comment on the personnel appointment in other countries. I would like to point out that striving for stability and development in the Asia-Pacific is the common responsibility as well as the shared aspirations of all regional countries.-外交部例行记者会20180212
2. 头脑风暴：
Q： 煤矿机械领域的液压支架有哪几种常见的类型？
