suggestion box
例句
用作名词(n.)- If you have any suggestions, you can write them down on paper and put the paper into the suggestion box.如果有意见，可以写在纸上放进意见箱。
- Businesspeople frequently joked about the suggestion box and cartoons lambasted the futility of putting ideas in the employee suggestion box.商业人士经常对建议箱开玩笑，漫画也讽刺将这些主意放入建议箱毫无用处。
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