The book ended on an optimistic note.

该书结尾意乐观。

She is not optimistic about the outcome.

她对结果并不乐观。

He is an optimistic young fellow.

他是位乐观年轻人。

An excellent man who is reliable, warm-hearted and optimistic will win my appreciation. Hope to be that happy ladykin in your arms.

希望优秀-可靠,善良,乐观.希望能成为臂膀中小女人.

The bugaboos in larger versions of this optimistic vision are highly variable flows of material, and decentralized, dilute concentrations of reclaimable stuff.

这个乐观观点描述最多，莫过于高变异性物质流动，以及可回收物质密度分散和稀释。

Mohammad Yunus, the unflappably optimistic founder of Grameen Bank in Bangladesh, a microfinance institution for which he won the Nobel Peace Prize in 2006, is adamant that business remains unscathed.

位于孟加拉国格莱珉银行就是一家提供微型金融服务机构，其创始人穆罕默德?尤努斯因为成立该机构，于2006年获得了诺贝尔和平奖。