shí / guò / jìng / qiān / wǒ / men / duì / zhè / jiàn / shì / de / kàn / fǎ / yě / fā / shēng / le / biàn / huà时过境迁,我们对这件事的看法也发生了变化。With the passage of time, our views on this matter have also changed.