■2 Ellipsis 2.1 Ellipsis a Ellipsis is also a grammatical device for avoiding repetition and achieving textual cohesion If substitution is the replacement of an identical item by a substitute, ellipsis zero substitute. As ellipsis and substitution perform the? means omission of the item or replacement of the item b same function, they are, in many cases, interchangeable ■22并列句中的省略 ■在并列句中,第二分句(或第三、第四分句)往往可 以省略与前句相同的成分。如: a Some books are to be tasted, others(are) to be swallowed and some few(are)to be chewed and digested◼ 2 Ellipsis ◼ 2.1 Ellipsis ◼ Ellipsis is also a grammatical device for avoiding repetition and achieving textual cohesion. If substitution is the replacement of an identical item by a substitute, ellipsis means omission of the item or replacement of the item by a zero substitute. As ellipsis and substitution perform the same function, they are, in many cases, interchangeable. ◼ 2.2并列句中的省略 ◼ 在并列句中，第二分句（或第三、第四分句）往往可 以省略与前句相同的成分。如： ◼ Some books are to be tasted,others (are) to be swallowed and some few (are) to be chewed and digested