YOU SAID:

They are either pessimistic about its sustained possibility; or ambiguous and unstable as regards a view of happiness

INTO JAPANESE

彼らはその持続的な可能性について悲観的である。 幸福の見方に関しては、あいまいで不安定

BACK INTO ENGLISH

They are pessimistic about its sustainable potential. Ambiguous and unstable when it comes to the view of happiness

INTO JAPANESE

彼らはその持続可能な可能性について悲観的です。幸福の見方に関しては、あいまいで不安定

BACK INTO ENGLISH

They are pessimistic about its sustainable potential. Ambiguous and unstable when it comes to the view of happiness