例句：
It doesn't have the market to itself.
它未能独占市场。
She lost it, just as I said she would.
我就说了吧，她把它丢了。
It was a time of peak demand for the product.
那是对该产品需求最旺的时期。
It is less of a problem than I'd expected.
问题不像我预料的那么大。
It is estimated the project will last four years.
据估计，这项工程将持续四年。