When the Universe was a tiny dot, it would've been unimaginably, hellishly hot.

当宇宙还是一个小点的时候，它会热得难以想象。

One is the largest, most lucrative and hellishly difficult business in America: health care.

其中之一是美国最大、最赚钱但也极其困难的行业：医疗保健。