positivity

剑桥词典

the quality of having a positive attitude
正面，积极
I'm a great believer in positivity. 我认为保持正面积极非常重要。
反义词
negativity

the fact that something such as a test has a positive result
（测试等）有正面结果
a 3 per cent positivity rate 3%的正面结果 返回 positivity