601. get rid of 摆脱, 去掉, 除去
602.be in the right正确的;in the wrong错误的
603. be within one’s rights(to do) 有权(做)
604. give rise to (=lead to) 引起, 导致
605. at the risk of(=with danger of)冒...的风险
606. run(take)risk of (=do sth dangerous)的风险
607. rule out (=exclude, eliminate) 排除
608. in safety 安全地
609. for the sake of ( =for the goo d or advantage of 为了…起见
610. be for sale 待售