motion简单

With no video production costs, illegal streaming sites have achieved profit margins approaching 90%, according to the Motion Picture Association (MPA), a trade group representing Hollywood studios that’s working to crack down on the thousands of illegal platforms that have cropped up in recent years.

据美国电影协会（MPA）称，由于没有视频制作成本，非法流媒体网站的利润率已接近90%；美国电影协会是代表好莱坞各制片公司的行业组织，正致力于打击近年来涌现的数以千计的非法平台。

[For example], a busy street might not [suit] a motion-sensored door, as it would constantly be opening for passers-by.

例如，繁忙的街道可能不适合安装运动感应门，因为它会不停地为路人打开。

Accommodating this new world of people in motion will require new attitudes on both sides of the immigration battle.

要适应这个人口流动的新世界，移民之争的双方都需要采取新的态度。

Newton's laws of motion and Darwinian evolution each bind a host of different phenomena into a single explicatory framework.

牛顿运动定律和达尔文进化论各自将大量不同的现象纳入一个统一的解释框架之中。

Go through the motions

做做动作