跨平台：iOS、Android、Web
"At that point in the investigation, we're [still] looking at 29 states here in the US. I mean, you're talking about tens of thousands of addresses, and that's a very, very daunting task," says Squire.
，详情可参考同城约会
for (let i = left; i <= right; i++) {，这一点在51吃瓜中也有详细论述
Tony Jolliffe/BBC News