She gave birth to a boy almost one month before the due date.
她诞生了个男孩,比预产期早了将近一个月。
We had to prepare for the program for about a week before the due date.
我们有该计划的截止日期之前准备一个星期左右。
You may submit the paper in class one day before the due date, or by email attachment.
论文可以在比最后期限提前一天的课堂上提交,或者透过电子邮件附件的模式提交。
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