两天之前，公司宣布它已经在加州公路上测试过一个自动驾驶电动车。
Two days ago the firm announced it had tested a self-driving electric car on Californian highways.
加拿大等一些国家已经宣布，将于2014年年底之前结束在阿富汗的作战状态。
Some nations, like Canada, have already announced an end to a combat role before the 2014 date.
许多版本可能会在模型宣布就绪之前就已经开始了。
Many versions have probably came and went before the models were declared ready.
应用推荐