A man knows when he is growing old because he begins to look like his father.

态度上的弱点会变成性格上的弱点。

林业实践的创新对于应对气候变化的挑战至关重要。

在快速变化的市场中，灵活性和适应性是企业成功的关键。

The poem is an act of the mind, not a transcription of the world.

历史学家的首要职责是如实讲述他所见的真相，无论这会取悦还是触怒何人。