"I don't think you can ever do your best. Doing your best is a process of trying to do your best."
美洲的历史是如此超乎寻常的现实,以至于看起来像是虚构的。
解释:大部分鸟类都是雄性的,而雌鸽却是雌性的,说明了鸟类性别的特殊性。
我们不必在人类和自然之间做出选择,我们可以共同繁荣。
The best businesses are those that solve real problems for real people.