这些cookie对于网站运行是必要的，不能在我们的系统中关闭。它们通常仅是为了响应您所做的措施而设置的，该操作量相当于服务请求，例如设置隐私首选项，登录或填写表格。

You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

These cookies enable us to count visits and traffic sources so we can measure and improve the performance of our website. They help us to know which pages are the most and least popular and see how visitors move around the site.

这些cookie收集的所有信息都是汇总的，因此是匿名的。如果您不允许这些饼干，我们将不知道您何时访问我们site, and将无法监视其性能。

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages.

如果您不允许这些饼干then some orall ofthese services may not function properly.