Such promises, I think, come into being mainly for two reasons.

我认为之所以有这样的承诺原因有二。

youdao

Such promises, absurd and ridiculous even at the first sight, come into being mainly for two reasons.

次段写此类承诺形成的原因，在主题句后分两方面来说。

youdao

According to this change, I am convinced that there will be less and less tobacco consumption in years to come, mainly for two reasons.

根据这个变化，我相信在将来，烟草的消费将会越来越少，这主要有两个原因。

youdao

"Even though Clinton's visit was mainly about the release of the two female journalists, in the bigger picture it was beneficial for both parties.

VOA: standard.2009.12.30

One diet that gets discussed a fair amount, but mainly in recent years, is something called the Mediterranean Diet, and I'd like to discuss this for two reasons.

近几年有一种饮食法,引起了相当多的讨论,那就是地中海式饮食,我认为有两点原因值得我们探讨

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

No one quite knew what Current was during the years when it aired mostly low-rent entertainment fare and was famous mainly for North Korea taking two of its correspondents, including Lisa Ling's sister Laura, into custody.

CNN: Why Al Gore's Al Jazeera deal doesn't seem right

Exxon Mobil (XOM) announced that its profit for the fourth quarter increased by two percent, mainly due to higher prices for crude oil.

FORBES: Earnings Roundup: XOM, PFE

For two decades Nortel focused mainly on carriers.

FORBES: Lighting up Nortel