gold rush

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a sudden happening that brings good fortune (as a sudden opportunity to make money)
- the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line
• Syn:
boom, bonanza, gravy, godsend, manna from heaven,
windfall, bunce
• Hypernyms:
happening, occurrence, occurrent, natural event
2. a large migration of people to a newly discovered gold field
• Hypernyms:
migration