I believe I should keep optimistic and positive.

我相信我应该保持正面和积极的思想。

youdao

That lead them to be very optimistic and positive in the 20s and then negative in the 30s.

导致他们很乐观，在20年代积极，然后在30年代否定的。

youdao

Some people are naturally more optimistic and positive than others, and some studies suggest that, to a certain degree, our genes determine happiness.

有些人天生比其他人更热情，更积极，而且许多研究表明，在很大程度上基因决定着我们的快乐指数。

youdao

Economist Rebecca Blank with the Brookings Institution here in Washington was optimistic that positive results will come from efforts to prevent more job losses and mortgage defaults.

VOA: standard.2009.03.10

The news comes from Credit Suisse whose annual Megatrends survey shows Swiss small and medium-sized companies becoming both more optimistic about their businesses and more positive about globalization.

FORBES: As Eurogeddon Approaches, Swiss Become Even More Optimistic

They also felt more positive and optimistic.

BBC: Man holding head

Keep language aspirational, positive and optimistic.

CNN: Online dating and a formula for love