text: According to https://www.openrice.com/zh/hongkong/r-%E8%91%89%E8%A8%98%E5%A4%A7%E6%8E%92%E6%AA%94-%E5%9C%9F%E7%93%9C%E7%81%A3-%E6%BD%AE%E5%B7%9E%E8%8F%9C-r152464 this is closed; survey is recommended.