shì / shàng / méi / yǒu / shí / quán / shí / měi / de / jì / huá / wǒ / men / hái / xū / yào / bú / duàn / gǎi / jìn

世上没有十全十美的计划，我们还需要不断改进。

No plan is perfect, so we still need to keep improving it.