Citational
a. citation的變形
??? 情景例句
Remember my apple pie on Thanksgiving?
記得在感恩節我做的蘋果派嗎？
If they say you are good,ask yourself if it be true.
若有人稱贊，自問對不對。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因為如果有列火車開進隧道，它就把新鮮空氣隨之抽進了隧道。