一大步

After promising to create one million new jobs in the U.S., Jack Ma is taking a big first step on delivering.马云曾许诺要为美国创造一百万个新的就业机会，为了实现诺言，他迈出了一大步。Alibaba Group announced today that it

导读:随着北方各地开始供暖，雾霾又出现在了人们的生活中。尽管可再生能源成本已经大幅下降，可是离我们的生活似乎还是很远。The world installed more new renewable energy last year than coal, as countries attempt to shift away f