評論
打印
A thief is stealing money from a store. Someone calls the police.
一個小偷正在偷一家商店的錢。有人報了警。
Soon the police arrive at the store. But they cannot find the thief.
不久之后警察來到了該商店。但是他們找不到那個小偷了。
The police use Wi-Fi to check a security camera in the store.
于是警察使用無線網查看店內的監控攝像頭。
They get a picture of the thief from that.
他們從中獲得了小偷的一張照片。
Next, the police use Wi-Fi to check security cameras near the store.
接著，警察使用無線網查看商店附近的監控攝像頭。
They see the thief running away. But soon the police catch him.
他們看到小偷正在逃跑。但是警察馬上就抓捕了他。
Smartphones are useful. They help us learn, play, shop and work.
智能手機很有用。它們幫助我們學習、做游戲、購物以及工作。
They let us use the Internet everywhere we go.
它們讓我們不論走到哪里都可以用互聯網。
But using the Internet on a smartphone can be expensive.
但是用手機上網會比較昂貴。
Some people can't afford that. And some people don't have smartphones.
一些人不能承擔這一費用。而有一些人還沒有智能手機。
They get on the Internet with their computers or tablets.
他們用自己的電腦或者平板來上網。
So many cities have public Wi-Fi.
因此許多城市都提供公共無線網。
Public Wi-Fi gives everyone a cheap, fast way to use the Internet.
公共無線網為所有人提供了一種便宜、快速的使用網絡的方式。
Free public Wi-Fi also helps in other ways.
免費公共無線網也能夠在其它方面提供幫助。
It helps small businesses grow because it helps them save money.
免費公共無線網有助于小企業增長，因為它可以為企業節省金錢。
It helps cities see how we use water, gas and electricity.
免費公共無線網可以幫助小城市了解我們是如何用水、用天然氣和用電的。
Then they don't waste those things.
這樣我們就不會在這些方面浪費了。
It also lets people do their work without going to the office.
免費公共無線網還可以讓人們不用去辦公室就可以做工作。
And it helps police and fire services get information more easily.
它可以讓警察以及消防人員更輕易地獲得信息。
Isn't public Wi-Fi great?
公共無線網是不是很棒？
