1.spend on 花費

How many hours per week do you want to spend on this work?
你每個星期想花多少時間在這個工作上？

Our reply: So how much time do you typically spend on projects now?
我們的回答是：那么您們現在一般在項目上花多少時間？

2.hold back 隱瞞；退縮；抑制

Our kids don't hold back because they are afraid to fail. They are only afraid of failing us.
我們的孩子不會因為害怕失敗而有所退縮，他們只是害怕讓我們失望。

Therefore, it is prime time that we took positive steps with the strength of all human beings to hold back this grim tendency.
因此，該是我們采取有效措施，集中全人類的力量來阻止這種嚴峻的趨勢發展的時候了。

3.tax rate 稅率

Taxes are low, with a topincome-tax rate of 17% and a corporation tax of 35%, but they arehideously complex.
這兒的稅收倒是不高，最高所得稅率為17%，公司稅為35%，但它的復雜程度令人發指。

Recall what Obama Sr. said in his 1965 paper: There is no tax rate too high, and even a 100% rate is justified under certain circumstances.
回憶一下1965年，老奧巴馬在他的論文里寫過的話：根本沒有過高的稅率，在某些情況下，即便100%的稅收也是合理的。

4.domestic demand 國內需求；本地內部需求

But there are some tentative signs of a recovery in domestic demand.
但也有一些不明確的信號顯示國內需求在恢復。