testing ground
noun/ˈtestɪŋ ɡraʊnd/
/ˈtestɪŋ ɡraʊnd/
- a place or situation used for testing new ideas and methods to see if they work
- Eastern Europe has been a testing ground for rapid economic reform.
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- a place used for testing machines, etc. to see if they work correctly
- a piece of land in use as a tank testing ground
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testing ground