suī / rán / wù / huàn / xīng / yí / wǒ / men / zhī / jiān / de / yǒu / yì / yī / rán / méi / yǒu / gǎi / biàn虽然物换星移,我们之间的友谊依然没有改变。Although time has brought many changes, our friendship remains unchanged.