plain scroll
纯滚动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Create a plain UIView content view for your scroll view that will be the size that you want your content to have.
ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog
应用推荐
模块上移
模块下移
不移动