zhè / fèn / jì / huà / kǎo / lǜ / de / hěn / zhōu / mì / kě / xī / bǎi / mì / yī / shū / lòu / diào / le / zuì / guān / jiàn / de / shù / jù

这份计划考虑得很周密，可惜百密一疏，漏掉了最关键的数据。

The plan was carefully considered, but one small oversight caused it to miss the most important data.