free_app_a_day_有道手机词典

1.If an app continues to be among the highest-downloaded over that seven-day period, it will move into either the "Top Paid" or "Top Free" lists, which cover popularity over a 30-day period.
如果一个应用程序在七天内维持高下载量，它就会出现在“最佳付费应用”或者是“最佳免费应用”的列表中，保证它在30天内保持流行。
dict.yoduao.com