意见栏

意見欄
yìjiànlán

suggestion box

Wiktionary

Entry Composition

1 意见 yìjiàn
  1. idea
  2. opinion
  3. suggestion
  4. objection
  5. complaint

classifiers: 點, 條
2 栏 lán
  1. fence
  2. railing
  3. hurdle
  4. column or box (of text or other data)