开始: 1.(从头起; 着手进行) begin; start; initiate; commence 短语和例子开始生效 take effect; come into effect; 从头开始 start from the very beginning; 开始流行 come into vogue; 开始营业 commence business; 开始收集邮票 set about s
比赛规则: competitiom rulescompetition regulationscompetition rulescompitition ruleslaw of the gamelaws of the gameplaying rules