詳細討論(想法、計劃等)的可行性
bat sth around
to discuss whether an idea or a plan is good or not, before deciding what to do
It's just an idea we've been batting around.這只不過是我們一直在討論的一種想法。
釋義來自《牛津高階英漢雙解詞典》第 9 版