@birdappwader @Incindery1 According to CDC, coughing up phlegm is perfectly okay, as long as it is less phlegm than the day before.
@根据疾病预防控制中心的说法，只要痰比前一天少，咳出痰是完全可以的。
@birdappwader @Incindery1 According to CDC, coughing up phlegm is perfectly okay, as long as it is less phlegm than the day before.
@根据疾病预防控制中心的说法，只要痰比前一天少，咳出痰是完全可以的。