随着家庭规模的扩大，为养家糊口的人增加保险以保护其家属是有必要的。

As the family increases in size, it is essential to add more insurance on the breadwinner to protect the dependents.

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制造商们受需求增加的刺激而扩大生产品种，提高产品质量。

As demand has increased, so manufacturers have been encouraged to diversify and improve quality.

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袁隆平发明了超级杂交水稻，这项技术可在不扩大稻田面积的情况下增加水稻产量。

Yuan Longping invents super hybrid rice, making it possible to increase rice harvest without expanding the area of the field.

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So, I already said what the number of square miles that were increased, but it increases from six to sixteen million of the population.

我已经提过了领土扩大的面积有多少,而人口从六百万增加到一千六百万

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And that just broadens your horizons, and the job opportunities are more.

这样可以扩大一个人的视野，增加工作机会。

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