They work several hours every day, so they can not go to regular school.
他们每天工作几个小时，所以他们不能去正规的学校。
The operation of quality system can not work without regular quality supervision.
质量体系的运行离不开经常性的质量监督。
Make sure you use right glue, regular model glue does not work.
后一句没明白模型胶水不能用？
Make sure you use right glue, regular model glue does not work.
后一句没明白模型胶水不能用？
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