The fourth reason is economic.

第四个原因是出于经济上的考虑。

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And that leads to the fourth reason for optimism.

这成为值得乐观的第四点理由。

youdao

The fourth reason is the lack of self-knowledge philosopher.

第四个原因是哲人本身缺乏自知之明。

youdao

And so to the fourth and most important reason for persisting in Afghanistan: the coalition can do much better.

ECONOMIST: The war in Afghanistan

But they also drive the fourth-fewest miles nationally, the main reason the state ranks as the eighth-most affordable in terms of the percentage of residents' incomes that go toward gas.

FORBES: Magazine Article

Van der Vaart concedes the Londoners were not worthy of making it to Europe's elite competition again for next term citing the points dropped against lesser sides in the Premier League as the reason for the club falling behind fourth-placed Manchester City.

BBC: Rafael van der Vaart pledges his future to Tottenham