jīchǎng huò biànlìdiàn mài de kǎ, yě yào kàn shìfǒu néng zhèngcháng jīhuó hé shōu duǎnxìn

机场或便利店卖的卡，也要看是否能正常激活和收短信。

For SIM cards sold at airports or convenience stores, you also need to check whether they can be activated and receive text messages normally.