后面加名词，形容词，例如：
1、A lawyer was appointed to represent the child.一位律师被指定为这个孩子的代表律师。
3、This study represents a major expenditure of time and effort.这项研究意味着要耗费大量的时间和精力。
4、This model represents the best compromise between price and quality.这种型号是价格和质量间的最佳折中方案。
represent后跟介词是 for，指＂对……负责‘’的意思，例句：You must represent for what you did.
