If we're not engaged as much in our normal work or school, we have extra time to call parents and grandparents.

如果我们没有忙于日常工作和学业，我们将有额外的时间给父母和祖父母打电话问候一下。

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Police warned motorists to allow extra time to get to work.

警察告诫开车上下班的人要留出富余时间。

《柯林斯英汉双解大词典》

Although there is no magic answer, let me suggest one basic guideline: Whether you are commissioning or receiving the work, spend extra time shaping an assignment at the beginning.

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Do volunteer to work extra shifts or to put in time during off hours.

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"A lot of the staff, because of the poor wages that are paid for bus drivers nowadays, rely on this extra time that they work, " he added.

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