Over the years, many scholars have insisted that time online does not necessarily take away time spent engaging with traditional media or on other activities.
多年来，很多学者坚持认为，上网时间不一定会占用花在传统媒体或者其他活动上的时间。
2
The chart above shows five activities of penguins over a period of one year, month by month.
上面的图表逐月地显示了一年中企鹅的五种活动。
3
Attracting and feeding wild birds are entertaining activities that have long been enjoyed by people all over the world.