For centuries, salt was also hard to get.

几个世纪以来，盐也很难买到。

youdao

The hard working useful people are described as "the salt of the earth".

勤劳能干的人被称为“社会中坚”。

youdao

High levels of salt are contained in everything from pancakes to pasta these days, but once upon a time, it was hard to come by.

我们如今吃的很多东西，从煎饼到千层面，都含有很高盐分，但是在很久之前，盐是很难获得的。

youdao

He said the men should bring only coffee,hard bread,and salt.

VOA: special.2009.11.19

It is hard to believe that many of us eat this much salt during one meal or even in one day.

VOA: standard.2010.04.22

Hard rice and salt water had made him scrawny and thin-haired by his 40s.

ECONOMIST: Nguyen Chi Thien

After three martinis my friend switches to a local brew of Budweiser, salt and a hard-boiled egg plopped in a glass.

FORBES: Digital Rules

But not even the most die-hard Aussie would have expected any success in Salt Lake City.

BBC: Aussie, Aussie, Aussie