i have perceived a change in his attitude ever since he came back.自从他回来后我察觉到他态度上的变化.
people now peiceive that green issues are important to our future.人们现在意识到绿化问题是对未来有重要意义的. i have perceived a change in his attitude ever since he came back.自从他回来后我察觉到他态度上的变化.
people now peiceive that green issues are important to our future.人们现在意识到绿化问题是对未来有重要意义的.