上周末，在卡塔尔召开的一个会议号召确保富裕国家履行他们三年前许下的诺言。

This past weekend, there has been a conference in Qatar called to ensure rich countries live up to the promises they made three years ago.

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他们可以违背对债主的诺言，或者不履行对未来领取养老金公民的承诺。

They can break their promises to their creditors or they can break their promises to future pensioners.

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事实上，他们或许根本不会履行诺言。

In fact, they may not deliver at all.

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