arrangement and combination的用法和樣例：
例句
- Besides, the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply.
另外，薩瑪瓦爾完全理解了負數的乘法法則，並對排列組合問題也有充分的認識。 - Because of changes wrought by the ceaseless uniting and sundering of protein, every conceivable type of arrangement is produced.
由於蛋白質不斷結合分解的變化，各式各樣的排列組合都產生了。
