可持续发展的关键是平衡经济增长和环境保护。
The key to sustainable development is to balance economic growth and environmental protection.
When you betray somebody else, you also betray yourself.
富家子弟因求官位而倾家荡产，贪污的官吏因贪财而失职守。
我从不买任何东西，除非我能给自己一个充分的理由为什么要买它。
Overfishing is killing the goose that lays the golden eggs. We must adhere to scientific fishing and give the ocean time to recover.