If a patient's conditions are deteriorating, making him unable to make a rational choice, decisions t prolong or terminate life must be left to his family, doctors, and courts.

如果一个病人的病情恶化，使他无法作出合理的选择，那么就必须有其家属，医生和法庭来决定是否延长或终止其生命。

youdao

The fact that you can terminate the relationship gives your counterparty an incentive to perform well, and makes you less likely to want to fire him at all.

FORBES: Who Doesn't Like Being Able to Fire People?