above the fold的用法和样例：
- The region above the fold (also called screenful )describes the region of a page that is visible without scrolling.
- He returned to the fold at his 80's.
- Should be set on high;in repose, folded back like a Greyhound's, though raised above the head in excitement without losing the fold, and even in some cases semierect.
- The glider was soaring above the valley.
- The animals were herded into the fold by the herdsmen.
- The tower on the hill brooded above the village.