学习的挑战不仅在于记忆，还在于从具体例子中归纳出更广泛的概念。

The Internet is a platform for innovation, but it also requires responsible use.

I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

我们必须将土壤健康视为粮食安全的基础。

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

能源领域的创新不是可选项；它是必须的。