提示：点击例句中的单词，就可以看到词义解释

However -- such people do exist .

然而这类患者的确存在。

However those same low prices support demand .

但是低价同时也会增加需求量。

However shouldn 't the economists focus on happiness ?

可是经济学家不该讨论幸福问题吗？

Widespread adoption of the new approach may however be difficult .

而要想广泛采用新方法可能是困难的。

The ipad however was another story .

不过ipad就完全不同了。