而WTO其他成员国讨论的是关税和补贴的最高限额，而不是实际的税率和补贴总额。
In the parallel universe of the WTO, members negotiate over maximum tariffs and subsidies, not the actual rates and sums.
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.
“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.
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