The investigation of the relative weights of the ultimate particles of bodies is a subject, as far as I know, entirely new.
对物体基本粒子相对重量的研究是一个全新的课题，就我所知，此前无人涉足。
Auctions are a powerful tool for discovering value.
I believe that art can be a powerful tool for social change.
我是个音乐人，不是名人。