求一篇对nba club海报的英语简短描述

抱歉我才初3！！

NBA history

1896, the first U.S. basketball organizations, "the National Basketball League (NBL)" set up, but then basketball rules is not perfect, the organization is not perfect, a team in the regular season can be on behalf of several team, after several Last season, the organization has existed in name only.

April 6, 1946, from Boston Garden boss Walter Abu Lang, initiating the formation of an "American Basketball Association (English as BAA)", first proposed the Brown later became the cornerstone of modern professional basketball two of the high salaries and contract system , High-paying system is that professional basketball must have a solid financial support, so that competition remained at a high level, to attract viewers, seek survival. The contract system is that a player can only be with a club contract and the establishment of the system's reserves to prevent players at the left by the sudden loss.