gold dust

• 极其稀有、珍贵或难以获得的东西，常作比喻，用来形容稀缺的资源或机会。

Something extremely rare, valuable, or difficult to obtain, often used metaphorically to describe a scarce resource or opportunity.

1. Valuable resourceB2informal

   Something that is extremely rare, valuable, or in high demand.

   宝贵资源

   • Tickets for the final match are like gold dust.
   • In this industry, experienced engineers are gold dust.
   • Original copies of that book are gold dust among collectors.

2. Literal gold particlesB1formal

   Fine particles or powder of gold, often found in rivers or mined.

   金粉

   • The prospector panned for gold dust in the stream.
   • Gold dust is collected and melted into bars.
   • The museum displayed a sample of gold dust from the mine.