必须仔细考虑基因改造的伦理影响。
The ethical implications of genetic modification must be carefully considered.
Your time is limited， so don’t waste it living someone else’s life.
语言不仅是交流的工具，更是一种存在方式。
Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.