Mendy said, explaining why the family chose to take part.

曼迪说道，这也解释了他家为什么参加这项研究。

Rene Mendy sells goods in the streets of Dakar, Senegal. But he never had enough money to open a bank account.

Rene Mendy在塞内加尔达喀尔大街上卖东西，但他根本没有足够的钱来开银行账户。