(假设有其他的城市效仿他们的例子)但他们知道，算出他们的政策能够影响幸福指数多少，这是个挑战。
But they acknowledge that figuring out how their policies affect that index will be a challenge.
在未来数年，搜索引擎市场可望以指数级增长。不过，随着微软(Microsoft)即将推出自己的搜索引擎，最艰巨的挑战可能还在前方。
It is in a market that is expected to grow exponentially in the coming years - though with Microsoft about to launch its own search engine, the toughest challenges could still lie ahead.
在未来数年，搜索引擎市场可望以指数级增长。不过，随着微软(Microsoft)即将推出自己的搜索引擎，最艰巨的挑战可能还在前方。
It is in a market that is expected to grow exponentially in the coming years - though with Microsoft about to launch its own search engine, the toughest challenges could still lie ahead.
应用推荐