Since the receipt rate of each month is not even, a certain inventory is necessary for regulation.
由于每月的到货量不均衡，故需一定的库存量以调节不足。
Levine's group also evaluated the teachers' math anxiety by asking them to rate how anxious they would feel in various situations, such as reading a cash register receipt or studying for a math exam.
她们需要参加数学考试，然后研究团队会评估她们在不同情况下的数学焦虑程度，例如看购物小票时或准备数学考试时。
Levine's group also evaluated the teachers' math anxiety by asking them to rate how anxious they would feel in various situations, such as reading a cash register receipt or studying for a math exam.
她们需要参加数学考试，然后研究团队会评估她们在不同情况下的数学焦虑程度，例如看购物小票时或准备数学考试时。
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