Hundreds of workers in the country have long collected waste to sell on the informal market.

长期以来，该国有数百名工人收集垃圾，卖到非正规市场上。

In the past two years many families have made ends meet by selling jewellery, ornaments, bars and coins at pawn shops and informal markets.

在过去的两年中，许多家庭通过在当铺和非正式交易市场出售珠宝、饰品、金条和硬币来维持生计。

So we decided to send you out to do some informal market research, get to the people.

所以我们决定派你出去做一些非正式的市场调查，接触人们。

Kavak, a Mexican startup, provides an elegant solution to a glaring problem: how to buy a used vehicle in a market that is both one of the world's biggest and its most informal second-hand car markets.

如何在一个全球最大、也最不正规的二手车市场购买二手车。