下載 APKPure App
可在安卓獲取Ask & Answer的歷史版本
問一個問題，得到的答案和回答別人的問題。（沒有登錄）
Ask a question and get answers, and Answer other people's questions.
(no login required)
Once you ask a question, other people that are using this app will see your question and you will receive their answers automatically.