To survive with minimal resources.

• To live on a small allowance or limited food.

靠极少的资源生存。

• 靠少量给养维持生活。

To have real existence.

• To continue to be present or real.

具有真实存在。

• 持续存在或被视为真实。

To continue in effect or operation.

• To remain valid or in force.

继续有效或起作用。

• 保持有效状态。

To provide the necessities of life for.

• To supply sustenance to someone.

供给维持生活所需。

• 为某人提供给养。