1 sentence

1. 即使是一丝不苟的规划师也会高估自己完成任务的效率。

   jí​shǐ shì yī​sī​bù​gǒu de guī​huà shī yě huì gāo​gū zì​jǐ wán chéng rèn​wu de xiào​lǜ.

   Even meticulous planners overestimate their efficiency at completing tasks.

   Source: CCMatrix