宝剑干将虽然锋利无比、名闻天下，但是，木匠用它伐树却比不上斧头。点评：方法不对，适得其反。

负责任的水产养殖不是选择，而是对后代的责任。

The poem is not a dialogue. The poem is a monologue delivered in the presence of a witness.

The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.

能源的未来在于多样化和适应性。