所有的曾经被发现的事实/曾经做过的实验/曾经做的任何事，只要不被认为是常理的 都用过去式。只要被认为是常理的，都用现在时态。Deliver an estimate with the proportion of tweets inside the analyze populace that consist of your decided on search term. What design and strategy have you used to acqui… Read More