Many think that development is mainly hampered by what is known as a poverty trap. Farmers do not buy fertiliser even though they know it will produce a better harvest.

在许多人看来，发展的主要障碍在于人们所知的“贫困陷阱”：即使农民知道肥料能增加产量，他们也不会购买；

The poverty trap would become a demographic trap.

贫穷问题会变为一个人口问题。

Turner escaped the poverty trap by drawing.

透纳通过绘画使自己摆脱了贫困.