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Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.
译文:拥有的时候,常常要想到没有的日子,不要等到没有的日子,才想起拥有的日子。赏析:不管做任何事,人都要有居安思危,防患于未然的意识。
Technology alone won’t save our oceans; it takes a commitment to ethics and ecology.
The hepatitis C virus was a hidden enemy, but every hidden enemy can be found with the right tools and determination.