rú / guǒ / jīng / cháng / dǎ / shì / huà / kě / yǐ / xuǎn / zé / yuè / zū / gèng / gāo / dàn / tōng / huà / shí / jiān / gèng / cháng / de / tào / cān如果经常打市话,可以选择月租更高但通话时间更长的套餐。If you often make local calls, you can choose a plan with a higher monthly fee but more call time.