An important point made is that tiering, when done well, is invisible to the students.回答:要申明的重要的一点是,分层如果做得好, 学生们是不会发觉的.However, the Cavs hit back in Andre Miller tiering the scores at 88.但骑士队却在终场奋起直追.安德烈·米勒将比分板到88平....

tiering的音标：tiering的英式发音音标为：['taɪəɪŋ]tiering的美式发音音标为：['taɪəɪŋ]...

分层布置，堆叠...