Create a study group to collectively achieve a certain certification.
创建研究小组，共同地实现特定的认证。
Each worker must transition to a part-time job when they quit their certification study.
每个工作者在放弃学习一个认证之前，必须假设先有一份兼职工作。
Each worker must transition to a part-time job when they quit their certification study.
每个工作者在放弃学习一个认证之前，必须假设先有一份兼职工作。
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