I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡,也不会变白。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,