当我们拥有今天，我们希望明天赶快到来，但不知道如何好好度过今天。与此同时，宝贵的时间已经从你身上溜走。

When we possess today, we hope tomorrow come quickly, but don't 'know how to make use of today. At the same time, the valuable time slipped from you.

youdao

事实上，今天是我们拥有的唯一的财富和机会。

Actually today is the only wealth and chance we have.

youdao

即使今天没有人来拜访我，今天仍然很重要，因为今天是我们唯一拥有的财富。

Even if nobody visited me today, today is still very important, because today is the only wealth we have.

youdao

If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.

如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口

耶鲁公开课 - 美国内战与重建课程节选