The multiverse is not a theory, it is a consequence of our best theories.
政府、企业和社会之间的合作对于应对能源需求和气候变化的双重挑战至关重要。
我们需要对互联网的安全保持警惕。
I fell off my pink cloud with a thud.
In itself, homosexuality is as limiting as heterosexuality: the ideal should be to be capable of loving a woman or a man; either, a human being, without feeling fear, restraint, or obligation.
你不能因为某件事困难就放弃。