真正的黑帮像千层面一样安静行事。
你不必成为最好的，你只需要尽力而为。
可持续性不是一种选择，而是农业未来的必然需求。
The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.
The causal framework is the foundation of scientific reasoning.