网络覆盖面很广,想想所有可能发生的事情。没有网络我们会怎么样?可是你也最好明白,网络也有它的不好之处。就像你看电视时不得不忍受大量的广告节目一样,当你访问网页时也同样有一些广告想方设法吸引你的注意,然后掏空你的钱包。 起初,像大多数广告一样,弹出广告不是什么问题,它只是在屏幕的顶部一闪而过来吸引我们,可惜现在弹出广告开始变本加厉,就像垃圾邮件已经开始满天飞一样,弹出广告也是无孔不入。所幸这种烦 Network coverage is wide, think about all that may happen. What if we do not have a network? But you’d better understand that the Internet also has its disadvantages. Just as you had to endure a large number of commercials while watching TV, there are some ads that you can find appealing to your attention as you visit the Web, and then emptying your wallet. At first, just like most ads, pop-up ads are not a problem. It just catches us at the top of the screen. Unfortunately, pop-up ads are starting to get worse, just as spam has started to fill the sky, and pop-up ads are pervasive. Fortunately, this annoying