"Sustainability" has become a popular word these days, but to Ted Ning,the concept will always have personal meaning.Having endured a painful period of unsustainability in his own life made it clear to him that sustainability-oriented values must be expressed through every day action and choice.
这句话是主谓双宾宾补对嘛?结构为 make sth clear to sb(文中sth(宾语从句)后置到to him后面)