If you want to keep something precious, you have to lock it up and throw away the key.

赏析：形容人的身体如同枯木，心灵如同死灰，达到了一种超脱的境界，不再被外界的事物所干扰。

The dairy industry must balance tradition with progress to meet modern demands.

我不是一个政治作家，但我是一个有政治意识的作家。