Try setting up a bull ring in present-day London, for instance.

比如说，试着在今天的伦敦建立一个斗牛场。

The rare rectangle-cut stone weighs 14.62 karats and is setting a ring flanked by 2 smaller stones.

重14.62克拉的奥本海默之蓝被切割成长方状，侧边有两颗较小的钻石作为点缀。

When the President goes to any location, the methodology is to set up concentric rings of protection around where he's going to be.

当总统去任何地方时，主要的方法论是在他要去的地方周围建立同心保护环。