提议中还是有不少显而易见的好处，那些削减约束关税的国家必然伤及实际税率。

Also on offer were benefits that are easier to visualise. Some cuts in bound tariffs would have bitten into actual rates.

youdao

“约束性超出”是指约定关税远高于实际关税的这么一个通常情况。对于约定的税率而言，它通常可以有很大的降幅空间。

'Binding overhang' -a common situation in which bound tariffs are much higher than actual tariffs-can often absorb even a very large cut in bound rates.

youdao

这些国家通常制定了“约束税率”——有上限，这些上限大大高于“应用”灌水，即实际关税；

They often have "bound tariffs" – ceilings, which are significantly above the "applied", that is, actual, tariffs;

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