开始做这工作之前，我并未预想过它的实际情况。
Before I started the job, I had no preconceived notions of what it would be like.
在建造开始之前至少需要一年的准备工作。
At least a year's preparatory work will be necessary before building can start.
在英国，每年都有成千上万的年轻人完成学业，然后在开始工作或上大学之前休息一年。
Every year thousands of young people in England finish school and then take a year off before they start work or go to university.
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