2 sentences for 完善 (wán​shàn — perfect)

1. 荷兰公共交通组织非常完善。

   hé​lán gōng​gòng​jiāo​tōng zǔ​zhī fēi​cháng wán​shàn.

   Public transport in the Netherlands is very well organized.

   Source: CCMatrix

2. 请注意，得到完善照顾的猫能活20年左右。

   qǐng zhù​yì, dé dào wán​shàn zhào​gu de māo néng huó20 nián zuǒ​yòu.

   Note that cats that have been well taken care of can live for about 20 years.

   Source: CCMatrix