地球是有生命的这一想法处于科学可信度的边缘,但并未超出其范围。
Sustainability isn't an option—it's our responsibility to future generations.
试管婴儿的未来是使其更简单、更安全、更易于获得。
国家的命运是由其人民决定的。
真相是一把刀,它两面都割。
Life is short, and it's up to you to make it sweet.