尽管有起伏 但美国经济已进入复苏

fade into在…逐渐消失
例句：The coastline faded into darkness.
海岸线在黑暗中逐渐消失了。

2. But even with some ups and downs for the world's largest economy, Dadush sees reasons for optimism.

ups and downs盛衰;沉浮
例句：The company has undergone many ups and downs.
这家公司历经盛衰浮沉。

3. I would focus much more attention on the slowly moving variables, the unemployment rate, the indebtedness of households to judge whether we are moving in the right direction.

focus on对(某事或做某事)予以注意
例句：Many firms are focusing on increasing their markets overseas.
许多商行都专注于扩大国外市场。

4. The association's latest survey points to an improving job market and economic growth of about 2.5 percent in 2012.

point to表明
例句：All the signs at the moment point to an early resumption of the fighting between the two countries.
眼下的一切迹象都表明这两个国家将很快重新开战。