There is still a week to go before the vacation begins.
现在距离假期还有一星期。
My little brother takes a bath before he goes to bed at night.
在他晚上睡觉以前,我的弟弟要洗一下澡。
The administrative overheads of a business are low to the extent that everyone working in the business can be trusted to behave in a way that best promotes the interests of the firm.