You can answer based on your observation or general knowledge about how often Chinese people go to science museums. You can mention factors like education, family activities, or interest in science that might influence this.
你可以根據你的觀察或一般知識來回答關於中國人多久會去一次科學博物館的問題。你可以提到教育、家庭活動或對科學的興趣等可能影響這一頻率的因素。