The ethical implications of genetic modification must be carefully considered.
我不是一个人的表演。
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
你连自己都管不好，怎么能治理国家的正事呢？
The study of black holes has revolutionized our understanding of space and time.
世界是个舞台，但剧本选角很糟糕。
Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.