能量守恒定律不仅是一条经验法则，更是思维的必然要求。

译文：因此(我)泛舟东去，希望能得到壮士的辅助。

除非我了解业务，否则我从不购买股票。

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

Collaboration across disciplines is key to advancing quantum computing research.

"Cinema is a way of expressing the inexpressible."