He said the country could see its gross domestic product grow by 2.5 to five percent in 2010, "in an optimistic scenario."

VOA: standard.2009.12.25

Kind of an optimistic, I suppose?

我猜有点乐天派？

哈佛公开课 - 幸福课课程节选

As we saw in the last lecture, the elder brother holds an entirely different theory of chastity, and of course, it's a lot more optimistic.

我们上一讲中看到,年长的哥哥对贞节有完全不同的看法，当然那是乐观许多的。

耶鲁公开课 - 弥尔顿课程节选

He notes that is an optimistic figure. Economic figures recently released by the Russian Federal Statistics Service show the GDP declined in the first quarter of this year by 9.5 percent.

VOA: standard.2009.05.25

The Ministry of Health's Lo is optimistic that the new data will show an improvement in the rate.

VOA: standard.2009.11.10