Bootstrapped
bootstrap（拔靴带, 靴襻；自己单独从事的, 自力的, 靠自身努力的, 自力更生的；靠自身努力摆脱某种状况）的变形
🗣️ 情景例句
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
I stayed and did some extra work.
我留下加了一会儿班。
Then he gets out of the lift and climbs up to the fifteenth floor on foot.
接着他走出电梯并徒步登上第15层。