难于负担的 meaning in Chinese

grinding

No measure of general application taken by any contracting party effecting an advance in a rate of duty or other charge on imports under an established and uniform practice , or imposing a new or more burdensome requirement , restriction or prohibition on imports , or on the transfer of payments therefor , shall be enforced before such measure has been officially published
任何缔约方不得在产生以下结果的普遍适用的措施正式公布之前采取此类措施：根据既定合同一做法提高进口产品的关税税率或其他费用，或对进口品或进口产品的支付转账实施新的或更难于负担的要求、限制或禁止。