What can you do to manually "expire" those pages, and perhaps display a custom message?

你应该怎样做才能人工地使这些网页过期，并且如果有可能则给出一条已定制好的消息呢。

youdao

What can you do to manually "expire" those pages, and perhaps display a custom message?

你应该怎样做才能人工地使这些网页过期，并且如果有可能则给出一条已定制好的消息呢。

youdao