Salt was a very precious expensive commodity in the middle ages. It was also used for medicinal purposes.

在中世纪，盐对人们来说是非常珍稀且昂贵的商品，还可以作为医疗用品使用。

youdao

May your love, than with more beauty; more fragrant than oil; sweeter than honey from the comb; and more precious than the extremely expensive treasure!

愿你们的爱情，比美洒更美；比膏油更加馨香；比蜂房下滴的蜜更甜；且比极贵的珍宝更加宝贵！

youdao

The gift is not expensive, the sentiment is precious. Wish you have a sweet, happy birthday!

礼不贵，情珍贵。祝福你拥有一个甜蜜温馨、快快乐乐的生日！

youdao

To Bagehot's untutored ears, this sounds woolly and vainglorious: aircraft carriers are hugely expensive, hugely vulnerable, and far too precious to put in harm's way unless an overwhelming national interest is at stake.

ECONOMIST: George Robertson punches above his weight

Comtes Lafon even produces a few precious cases of Montrachet Grand Cru, one of the most famous and expensive white wines in the world.

WSJ: Jay McInerney on M?con's Affordable White Burgundies | On Wine