Mr Pitt, whose day job is managing the careers of musicians, built up the collection (which now includes stones from more than 500 falls) by buying specimens, and also by swapping them with museums.

皮特日常从事音乐事业，他通过购买标本和与博物馆交换来收藏（现已包括至少500次撞击中的陨石）。

youdao

The price of a three-day course, which usually includes workshops and real-life hook-up training, ranges from 2, 500 to 4, 500 yuan.

一个为期三天，包含讲习班及把妹实战培训的课程价格从2500元到4500元不等。

youdao

Yes Scotland, which includes the SNP and other supporters of independence, marked the 500 day countdown by announcing a major stepping up of its communities campaign.

BBC: Scottish independence