Canadian competition is the act of challenging someone to bigger act of kindness war.
“加拿大竞争”就是向某人发起挑战,比赛谁对谁更好。
Example:
My roommate challenged me to a Canadian competition, he did my dishes so I cleaned his room and did his laundry. I win, for now.
我的室友向我发起“加拿大挑战”,他给我洗碗,我给他打扫房间洗衣服。到目前为止,是我赢了。