食物匮乏而且昂贵。

Food was scarce and expensive.

《柯林斯英汉双解大词典》

工业机器人已经发明了数十年，但是它们过于庞大而且昂贵，因此只有大公司才能负担。

Industrial robots have been around for decades, but theyhave always been big and expensive, so much so that only large companies couldafford them.

youdao

在他的小说里，机器人是司空见惯的，然而电脑却是罕见，巨大而且昂贵的——这正是五十年代的情况。

In his stories, robots were ubiquitous, but computers were unusual, large and expensive-much as they were when he wrote in the 1950s.

youdao

So, if we want to get more magnesium into the marketplace at an affordable price, not by government edict, what do we have to do?

所以如果我们想把更多的镁,投诸市场，并让它保持在一个不太昂贵的价格，而且不靠政府法令，我们应该怎样做？

麻省理工公开课 - 固态化学导论课程节选