In the midst of this hardship, we have seen the best of America shine through.

在这些艰难困苦中，我们看到了美国最好的一面。

In citizens like these, we see the best of our country - resilient and hopeful, caring and strong.

从这些公民身上，我们看到了我们国家最美好的一面——弹性与希望，关怀与强大。

It shows a level of potential efficacy, at least in animals, that to the best of my knowledge hasn't been seen before.

表明了一定程度的潜在的，至少在动物身上具有的功效，而这种功效是目前为止我还从未见过的。”