分层技术给我们提供一个物体的最小年龄，但不一定是它的真实年龄。

The stratification technique gives us the minimum age of an object, which isn't necessarilly its true age.

youdao

那些幸福和意义一致的人，以及那些有强烈的意义感但不一定快乐的人，都不能对逆境压力产生反应。

People whose levels of happiness and meaning line up, and people who have a strong sense of meaning but are not necessarily happy, showed a deactivation of the adversity stress response.

youdao

这种说法含糊无用，但不一定是错误的。

That is unhelpfully vague but not necessarily wrong.

youdao