fā / xiàn / jì / huà / xíng / bù / tōng / hòu / tuán / duì / fān / rán / gǎi / biàn / le / yuán / lái / de / cè / lüè

发现计划行不通后，团队幡然改变了原来的策略。

After realizing that the plan would not work, the team completely changed its original strategy.