He just said he forgot and the car still ran fine.

他只是说他忘记了，车子仍然开得很好。

I've been running this town just fine.

我将小镇治理得很好。

And, while Alzheimer's patients are having trouble using glucose for energy, their brains, like a baby's brain, can run just fine on ketones.

另外，尽管老年痴呆患者使用葡萄糖作为能量有困难，但就像婴儿大脑那样，他们的大脑使用酮作为燃料却毫无问题。