The entire crowd-sourced database is too big to store on an iPhone, so we download an appropriate subset (cache) onto each iPhone.

整个众包数据库太大，不能存放在iPhone上，所以我们在每部iPhone上下载了它的一个合适子集(即缓存)。

youdao

When I turn off Location Services, why does my iPhone sometimes continue updating its Wi-Fi and cell tower data from Apple's crowd-sourced database?

为什么当我关闭了地理信息服务，iPhone有时仍从苹果的众包数据库里更新Wi-Fi热点和小区发射塔数据。

youdao

Apple is now collecting anonymous traffic data to build a crowd-sourced traffic database with the goal of providing iPhone users an improved traffic service in the next couple of years.

苹果目前正在收集匿名交通数据，以建立基于众包的交通数据库。在未来几年，苹果将向iPhone用户提供更好的交通服务。

youdao

The anonymous crowd-sourced social news submission site called Reddit is running a spontaneous holiday gift drive.

FORBES: Reddit Promotes Charitable Holiday Giving and Amazon Prime

The key to the framework is the use of a crowd-sourced, peer-to-peer reputation system.

FORBES: Trust On The Internet: The Solution Is Ahead

In the age of Google and Facebook, transparency and crowd-sourced knowledge will win the day.

FORBES: With 7 Billion People, Facts Are No Longer Optional