black hole
黑洞
书面/口语·表示资源消耗无底洞
英文释义
a place or situation where things, especially money or resources, seem to disappear without trace
例句
The old factory became a black hole for company funds, with no returns on investment.
典故来源
借自天文学概念，黑洞吞噬一切物质，比喻资源被无端消耗且无法找回。