当经济学以严谨和透明的方式帮助我们解决现实世界的问题时，它处于最佳状态。

Innovation in forestry practices is key to balancing economic growth and environmental protection.

我不相信写作障碍，我相信懒惰。

The essence of literature is to capture the fleeting moments of life.

The best performance improvement is the transition from the nonworking state to the working state.

困难不在于提出新观念，而在于摆脱旧观念。