He said the government must introduce tax incentives to encourage investment.

他说，政府必须通过给予税收利益来鼓励投资。

an investment of twenty-eight million dollars.

2800万美元的投资额。

Total foreign investment in America still constitutes only about 5 of U.S. assets.

外资在美国的投资总额仍然只占美国资产的5左右。

When selecting boots, fine, quality leather will be a wise investment.

在挑选靴子时，精致、质量上乘的皮靴是明智的选择。

I worry about this big investment of time not working.

我担心这么多的时间投入不起作用。