求翻译：这种限制可能会极大地破坏了价值的最不发达国家的承诺。例如，孟加拉国向美国出口超过70％，只有70个税目，占不到1％的美国所有税目覆盖。只有39个税目，占柬埔寨出口到美国的76％。是什么意思？

This limitation may be greatly undermined the value of the commitment of the least developed countries. For example, Bangladesh exports to the U.S. more than 70%, only 70 tariff lines, accounting for less than 1% of all U.S. tariff lines covered. Only 39 tariff lines, accounting for Cambodia's expor

Such a limitation may be great damage to the value of the least developed countries. Bangladesh, for example, exports to the United States, only 70 more than 70 per cent of the tax, accounting for less than 1 per cent of the United States taxes cover. Only 39 tax items are exported to the United Sta

This kind of limit possibly could enormously destroy the value most developed country pledge.For example, Bangladesh exports to US surpasses 70%, only then 70 tax items, do not occupy 1% American all tax item cover.Only then 39 tax items, occupy Cambodia to export US 76%.

This limitation could greatly damage the value of commitment to the least developed countries. For example, Bangladesh to the United States exports more than 70%, only 70 tax items, account for less than $ 1% United States all tax items covered. Only 39 of taxable items, accounting for Cambodian exp

This kind limits commitment of the least developed countries that may destroy the value greatly. E.g., export over 70% to U.S.A. in Bangladesh, only 70 tax items, all tax items of U.S.A. of taking less than 1% cover. There are only 39 tax items, account for Kampuchea to export to American 76%.