gōng / sī / tòng / dìng / sī / tòng / jué / dìng / jiā / qiáng / chǎn / pǐn / cè / shì / hé / shòu / hòu / fú / wù

公司痛定思痛，决定加强产品测试和售后服务。

After reflecting on its painful experience, the company decided to improve product testing and after-sales service.