Only when you take responsibility can you look beyond yourself and be a model for others.
一个人只有承担起责任，才能超越自己，成为他人的模范。
And it is a model of environmental responsibility.
美国馆是环保责任的典范。
Using use-case model to describe the responsibility assignment;
以用例图描述责任分配；
Using use-case model to describe the responsibility assignment;
以用例图描述责任分配；
应用推荐