The Conference Board's confidence index rose to 81.5 this month.

本月，美国谘商会的信心指数上升至81.5%。

In 2015, we developed a vaccine confidence index.

2015年，我们制定了疫苗信心指数。

It shows the number of new houses for sale surged 56 percent month on month in April, while the confidence index rose by 1.8 percent to exceed 102.

报告显示，4月份待售新房数量环比激增56%，信心指数超过102，增长1.8%。

The National Association of Home Builders’ confidence index is at a seven-year high. The group says that means more home construction projects - and more jobs.

全国房屋建筑商协会的信心指数处于七年来的最高水平。该组织表示，这意味着更多的家庭建设项目——以及更多的就业机会。