Applicant has the duty to pay testing expenses in case the payer rejects the payment.
如果申请单位与付款单位不同,付款单位拒绝付款时,申请单位有责任付款.
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Software testing expenses are estimated to be between 20 % and 50 % of total development costs.
据估计软件测试费用大约占整个软件开发成本的20%到50%.
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