他重申了再把低利率保持一段时间的承诺。

He repeated a pledge to keep them there for an "extended period."

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家兔需要时间的承诺：它们需要日常的照顾例如食物，新鲜的水和干净的笼舍。

Rabbits require a time commitment: They will need daily attention to their diet, fresh water, and clean cages.

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瓜迪奥拉并没有实现多给他一线队比赛时间的承诺，而是选择了他在B队的队友多斯·桑托斯和阿尔坎塔拉。

Coach Josep Guardiola has failed to live up to promises of game time, instead promoting barca B team-mates Jonathon Dos Santos and Thiago alcantara.

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Let's assume that we know that this thing is going to be paid, so it's a matter of simple time.

我们假设这份承诺会被兑现,这只是时间的问题

耶鲁公开课 - 金融市场课程节选

We are basically committed to each other for sex but it's very hard to make those relationships last a long time because we might not have anything in common, we might not share anything with each other, we might not trust each other, we are not particularly bonded to each other.

我们基本上只有激情的承诺,长时间维持这种关系很困难,因为可能双方没有任何共同点，没有共享的东西，我们可能互不信任，不是特别亲近。

耶鲁公开课 - 心理学导论课程节选