如何使用 "up" 造句

1. The traffic has picked up a lot .
交通量日益增加。
2. Shares of goldman were up slightly in pre-market trading .
上周四开盘前,高盛的股价稍有上升。
3. Borrowing costs shot up for cities .
市级政府的借款成本大幅上升。
4. Ipad : 19.5 million units , up 65.3 %
iPad:1,950万部,上涨65.3%
5. It 's time to stand up straight again .
现在我们应该重新站立起来。