It's pretty cheap, you can get a bed in a dormitory for nineteen dollars per person.

这家招待所很便宜，宿舍里单人床才19美元。

youdao

Seven dollars, Madam, it is very cheap.

七美元，太太，这是很便宜的。

youdao

Meanwhile, as foreigners begin shifting out of dollars, we will no longer have access to cheap foreign goods and services.

与此同时，随着外国人开始转而放弃美元，我们也不再能够获取便宜的外国产品和服务。

youdao

The health ministry has also allegedly been denied access to cheap dollars to purchase medicine and equipment.

BBC: Iran sanctions disrupt medicine supplies

Put simply, on the world market, it takes more cheap dollars to buy a pound of copper than when it was more valued.

FORBES: The Environmental Protection Agency Comes-a-Copper

When the Fed floods the system with liquidity, and holds interest rates at low levels, cheap dollars are borrowed to finance riskier investments for what are hoped to be higher returns.

FORBES: After The Gold Rush -- Commodities Prices: Why So High?