在出售之前对每一部分所做的仔细检查；
The careful check of each unit before sale; gave the car an oil check.
对每一部分的任务作出计划，这样你能够将注意集中到完成子任务上而不是整个任务。
Plan each part of the task so that you are focusing on completing the sub task rather than the overall task.
这个部分是对论文所要写的内容做个一般性的介绍—它不仅仅是对每一部分的描述。
This is a general introduction to what the thesis is all about — it is not just a description of the contents of each section.
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