围绕试管婴儿的伦理问题很复杂，但拥有孩子的愿望是一项基本人权。
The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.
我们仍然是世界上最好的乐队。
人生は、自分で選んだ道を歩むことだ。
The search for a theory of everything is one of the most exciting and challenging quests in modern physics.
The best way to be happy is to live in the moment.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.