Withdrawals increased ninefold between 1950 and 2008.
2008年，地下水的流失量是1950年时的十倍。
2
Within a year the price of BYD's shares had risen ninefold.
在其入主比亚迪之后一年的时间内，比亚迪的股票价格涨了9倍。
3
Last year Americans spent 2.3 trillion minutes chatting on cellphones, according to the US wireless trade association CTIA — a ninefold increase since 2000.