🇬🇧 en pl 🇵🇱

trial balloon noun

  /ˌtɹaɪəl bəˈlun/ , /ˌtɹaɪəl bəˈluːn/
  • (idiomatic, figuratively) An idea, suggestion, or prospective action, product, etc., offered to an audience or group in order to test whether it generates acceptance or interest.
 balon próbny
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