The reasons of shortage include business cycle, technique progress, changes of product market and imperfect system of vocational training.

导致技能短缺的原因包括经济周期、技术进步、产品市场变化和培训制度的不完善。

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Presently, problems of singular evaluating index, imperfect system functions exist in the network evaluating system for teachers teaching quality.

目前，国内高校教师教学质量网络评价系统存在评价指标体系单一、系统功能不尽完善等问题。

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Due to the imperfect system and management, the administrative levy, major source of our national revenue, has taken on the presenting messy aspect.

作为国家财政主要来源的行政征收，由于制度不健全及管理不到位，出现了目前征收较为混乱的局面。

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We have a good system in taxes, but it's imperfect because it hasn't been thought out thoroughly in terms of risk management.

我们有很好的税收制度，但它并不完善,因为它并非完全从风险管理的角度,经过考量而得出的。

耶鲁公开课 - 金融市场课程节选

Because the financial risk management system that we have is imperfect, we aren't there yet.

因为我们的金融风险管理体系,存在缺陷，还并不完善。

耶鲁公开课 - 金融市场课程节选

It will provide a genuine challenge or those obsessed with mastering an imperfect system.

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Even in an imperfect system, the nuisance value of a threatened lawsuit is a useful weapon for the weak.

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Inspectors said young people in England and Wales were being "left to flounder in an imperfect system" and warned that their interests "must be taken seriously".

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