So it is a pioneering subject of great practical importance to study the Internet finance information's influence on investors from the point of view of mediumforce.
If an object moves through a medium — - air or a liquid — there is a resistive force which always opposes the velocity.
如果物体通过媒介-，比如说空气或者液体-，都会遇到阻力，阻力总是和速度相反。
3
The emerging use of Twitter as a news medium ran smack into the limitations of live tweeting recently during the trial of Russell Williams, a former Canadian Air Force colonel.