Many winemakers use cork stoppers; but cork stoppers can leak, crumble, or become moldy, so that those winemakers must often discard a significant proportion of their inventory of bottled wine.

许多酿酒师使用软木塞；但软木塞可能会漏水、碎裂或发霉，因此这些酿酒师常常必须丢弃大量的库存瓶装葡萄酒。

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We all spend a significant proportion of our lives at work.

工作占去了我们人生的很大一部分时间。

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A significant proportion make careers with the same employer as their father had.

这种结果使得他们的职业生涯与他们的父辈十分相似。

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Firstly it meant that a significant proportion of the foreign debt was in practice written off.

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Indian and Chinese engineers account for a significant proportion of Silicon Valley's workforce, for example.

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Not surprisingly, for many companies, a significant proportion of their international operations subtracts, rather than adds economic value.

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