The border tax adjustment would amount to a prohibitive tariff of 26% on China's exports and 20% on India's.

关税调整可能意味着对中国26%出口商品的和印度20%的出口商品将面对抑制性关税。

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A higher tariff wall, which, however, is not prohibitive, will produce the same kind of results as this, but merely to a smaller degree.

就算关税壁垒不是完全禁止性的，仍然会产生同样的结果，只不过损害程度小一些而已。

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In March, the United States imposed a prohibitive 266 percent tariff on certain Chinese steel makers for selling below cost.

今年3月，美国对一些低于成本价销售产品的中国钢铁企业征收了266%的惩罚性关税。

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Doesn't anyone in authority remember that the notorious Smoot-Hawley Tariff of 1929-30 precipitated the Great Depression by slapping prohibitive taxes on hundreds of imports, thereby setting off a devastating global trade war?

FORBES: Fact and Comment