Prison guards could soon stop fights with a harmless tool that shoots a laser-like beam, video game-style, down into a room where trouble is brewing.

狱卒们很快将能够使用一种无伤害的工具，对着酝酿着麻烦的房间发射一道像电子游戏中那样的镭射般的光束，来停止斗殴。

youdao

Inside, the second-floor space is gleaming with top-end espresso machinery and brewing equipment, and a plain communal table surrounded by coffee drinkers commands the centre of the room.

BBC: A speciality coffee scene brews in Hong Kong