所有这些都基于一个简单的事实：为了还清债务，或者存钱、或者积累财富，而你花费的必须要少于你所赚取的。

All of these are based around one simple fact: to pay off debt, or to save money, or to accumulate wealth, you must spend less than you earn.

youdao

最后，我们测得的数据可以构建一个模型，用来确定火山灰可以扩散多远、多高还有多广。 这些预测基于事实，而不是臆断。

Then the data that are produced can be put into models to determine how far, how high and how wide the ash will spread that will be based more on fact than on guesswork.

youdao

但是所有的这些想法，必须基于一个事实，那就是我们必须成为，一个普遍的标准，成为，人们使用手机交流的一种方式。

But really you know, all of those ideas is predicated on the fact that we become a ubiquitous standard and be ways of people connecting... using their mobile phones.

youdao