Add to this that anyone might be hit at any time with a traffic accident, illness, or disaster. Thus an obstacle-free environment is by no means for the minority of people, but is "in reserve" for everyone.
加上車禍、疾病、公害都隨時可能降臨在每個人身上，無障礙環境絕不是為少數人設計的，而是為每個人準備的。斜坡道變克難坡