Now we're going to hear Beach Boys, IV I guess,with a three-chord chord progression and it's going to be sub-dominant , V dominant , I tonic .

而现在我们来听听貌似是沙滩男孩，三和弦进行，然后将会是次属音，属音，和主音。

耶鲁公开课 - 聆听音乐课程节选

The New Deal was introduced after five years of solid economic growth, whereas Hartz IV arrives after three years of stagnation.

ECONOMIST: Ersatz Europeans

The two new entries in the box office chart saw last weekend's number one, the horror movie Saw IV, drop to number three.

BBC: RELATED BBC SITES

That the new regulations will only disqualify a college from funding its operations through Title IV federal dollars if it fails to meet the new benchmarks in three out of four years means it probably will not be too difficult to game the system although the Department did craft other restrictions that will curb some egregious behavior.

FORBES: New Higher Ed Regulations Leave Everyone Empty