Reserves of oil and minerals have grown; their prices have not increased; and demand for materials like copper are not exponential.

石油和矿物的储量增加了，而它们的价格却没有增加；同时，对某些原材料的需求，比如铜，并未呈指数增长。

youdao

Reserves of oil and minerals have grown; their prices have not increased; and demand for materials like copper are not exponential.

石油和矿物的储量增加了，而它们的价格却没有增加；同时，对某些原材料的需求，比如铜，并未呈指数增长。

youdao