Seven minus three is four (7 – 3 = 4).

七减去三等于四。

《牛津词典》

He's on duty twenty-four seven.

他不分昼夜地天天上班。

《牛津词典》

Four score and seven years ago our fathers brought forth on this continent a new nation.

八十七年之前，我们的祖先在这大陆上建立了一个国家。

youdao

Wish them luck. Americans age twenty to twenty-four faced an unemployment rate in May of fourteen and seven-tenths percent.

VOA: special.2010.06.11

And a twenty-four-year-old Milton, after seven years of education, simply decides not to go. Instead of joining the ministry, Milton instead returns home and he stays at home without any means of supporting himself for six years.

而24岁的弥尔顿，在结束了7年的学业之后，却决定不那么做,他反而是回到了家中,在家里呆了6年。

耶鲁公开课 - 弥尔顿课程节选

The study involved forty-four traders and their profits and losses over a twenty-month period ending in two thousand seven.

VOA: special.2009.02.25

But many baseball people will tell you that a 162-game season showcases a team's strengths and weaknesses better than a four-of-seven series does.

FORBES: Magazine Article

Mr. Gurney designed the four-bedroom, seven-bathroom home in Washington's Forest Hills neighborhood, tearing down a dilapidated 1922 Victorian on the property.

WSJ: Washington, D.C.: The New Boomtown

In the past two trading days alone, the Nikkei rose 3.8% to a fresh four-year, seven-month high, closing at 12833.64 Friday on record trading volume after briefly crossing the 13, 000 mark for the first time since just before Lehman Brothers collapsed.

WSJ: Japan's Mrs. Watanabe Decides It's Time to Buy Stocks