1·Some economists think that this view is too sanguine.
一些经济学家认为这种观点过于乐观。
2·Perhaps they are too sanguine, for two reasons.
或许他们太过乐观，由于两个因素。
3·The sanguine point out that, because profits are fat, firms need not pass higher costs on to prices. But it seems they are already doing so.
乐观的人指出，由于利润丰厚，公司无需将搞成本传递到价格上，但是他们好像已经这样做了。
4·This sanguine attitude has evidence to support it.
一些证据也能证明这种乐观的态度。
5·History suggests we should not panic nor be too sanguine about cool new gizmos.
历史提醒我们，对于酷毙的新玩意儿，我们无需恐慌，也不要过于乐观。