HTTP 1.1介绍了另外一组头信息属性：Cache -Control响应头信息，让网站的发布者可以更全面的控制他们的内容，并定位过期时间的限制。
HTTP 1.1 introduced a new class of headers, Cache-Control response headers, to give Web publishers more control over their content, and to address the limitations of Expires.
这样看起来一些限制条款可能是过时了，因此我们正准备要做全面的审核。
And some of these restrictions may be outdated, so we're going to be doing a comprehensive review.
欢迎您注册成为正式用户， 以享有更多，更新，更全面的练习题库的无限制使用权限。
For unlimited usage, latest and more comprehensive practice questions, we welcome you to register as a proper prepaid subscriber.
欢迎您注册成为正式用户， 以享有更多，更新，更全面的练习题库的无限制使用权限。
For unlimited usage, latest and more comprehensive practice questions, we welcome you to register as a proper prepaid subscriber.
应用推荐