年轻人必须为履行生活所赋予他们的职责充实自己，同时要抵制生活的诱惑。

I fight pain, anxiety, and fear every day, and the only method I have found that relieves my illness is to keep creating art.

整个供应链的协作是建立弹性食品系统的关键。

随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。