经济学人下载:各国央行推出数字货币,中国成领跑者(1)

With one token, you can travel all over Boston on the four Lines as long as you remain underground.
 

在波士顿，只要你不出地铁站口，用一个代币可以乘坐条线路的地铁火车。
 

2.joint venture 合资企业
 

Our joint venture has had a remarkable sales growth.
 

我们合资企业的销售额显著增长。