But in our modern, fast-paced society, the dominant cause of procrastination is thought to be stress and anxiety.

但是在我们现代快节奏的社会里，拖延症的主要原因被认为是压力和焦虑。

And in about 400 of 470 documented cases, the transplanted bacterial community quickly became dominant, causing the patient's digestive system to recover and stabilize, though scientists still don't know exactly how that happens.

而在 470 个有记录的病例中，大约有 400 个病例，移植的细菌群落很快就成为主导，使患者的消化系统恢复并稳定下来，尽管科学家们仍然不知道这究竟是如何发生的。

And in 411 of 473 documented cases, the transplanted bacterial community quickly became dominant, causing the patient’s digestive system to recover and stabilize (though scientists still don’t know exactly how that happens).

在 473 例记录在案的病例中，有 411 例移植的细菌群落迅速占据主导地位， 导致患者的消化系统恢复并稳定下来（尽管科学家们仍不清楚这是如何发生的）。