introduction effect的用法和样例：
例句
- To avoid the expiration-day effects of derivatives overlapping with monthly effect of cash market, the optimal last trading day of index futures is best set in mid-month.
为了防止期货到期日效应与现货月效应及假日效应等重叠，增大现货市场的波动性，本文建议将股指期货合约最后交易日设在月中。
introduction effect的相关资料：
临近单词
Introductions
introduction
introduction by Eric Hobsbawm.
Introduction of a Tapping Device
Introduction of BOC Credit Cards
Introduction of needle into vein
Introduction to database systems
Introduction to CKS Memorial Hal
Introduction to Radio System aSO
Introduction to News Media II.
introduction by Julian Symons.
Introduction to Television Plays
