The possibilities are numerous once we decide to act and not react.
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
Collaboration is key to tackling the world's energy challenges.
粒子的概念只是一种近似,仅在特定极限情况下有效。
电影的魅力在于它能使不可能变为可能。
历史不仅仅是坏人做坏事的故事,也是好人无所作为的故事。