She keeps popping in and out.
她不停地走进走出。
；凸出ing形式）She keeps popping in and out.
她不停地走进走出。
She's always popping in and out.
她总是进进出出。
Few people pay any attention to the identikit bosses who keep popping up to hum their corporate muzak about doing well by doing right.
没有什么人会注意那些一直嘟囔着自己“以做对做最好”企业文化千篇一
板们。
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