特别是在测试阶段，未被分离的需求将给整个工程带来额外的负担，因为此时对需求进行精确的确认和查证是一件非常麻烦的事情。
Especially during testing, unseparated requirements add an extra burden to your project because precise validation and verification of the requirements are more cumbersome.
这项研究的样本量很有限，所以还需要做大量的工作来查证并确认该结果。
The study had a pretty limited sample size, so more work needs to be done to verify and confirm the results.
准备-通过调查已经发布的广告确认你究竟要卖什么，拥有供查证的信用卡和银行信息。
Prepare - Research what you want to sell using Completed Listings. Have credit card and bank information ready for verification.
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