英美烟草和大米这两种主要商品的出口商，两项重大让步减轻了它们的负担。
Anglo-American exporters of tobacco and rice—the chief commodities affected by enumeration—had their burdens reduced by two significant concessions.
越南战争的失败减轻了南方的负担。
A burden was taken off the South by the loss of that Vietnam War.
这减轻了士兵的负担，因为减少带进战场的电子装置的尺寸和重量的需求增加了。
This lessens the burden for soldiers since there is an increasing need to reduce the size and weight of electronic gear carried into battlefields.
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