.. You mentioned earlier that you doubt... you have questions about whether this high rate of growth is sustainable?

您之前提到过您怀疑。,您质疑印度经济的高增长率,能否保持下去？

普林斯顿公开课 - 国际座谈会课程节选

And then that will really help with the consistency part.

这样真的很有助于保持下去。

健康生活 - SpeakingMax英语口语达人

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

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