新织物诸如尼龙的兴起削减了丝绸在整个世界的流行，而现在丝绸再一次成了某种稀有奢侈物品，但比最兴盛时期的量要少的多。

The rise of new fabrics such as nylon reduced the prevalence of silk throughout the world, and silk is now once again a somewhat rare luxury good, much less important than in its heyday.

youdao

最后，非常稀有而强大的灵能物品自成一类：神器。

Finally, psionic items exist of such rarity and power as to belong to a category of their own: artifacts.

youdao