positivity
noun [ U ] uk/ˌpɒz.əˈtɪv.ə.ti/ us/ˌpɑː.zəˈtɪv.ə.t̬i/
正面，积极
the quality of having a positive attitude
I'm a great believer in positivity. 我认为保持正面积极非常重要。
Opposite: negativity
（测试等）有正面结果
the fact that something such as a test has a positive result
a 3 per cent positivity rate 3%的正面结果