同根派生 meal tickets相关词英汉例句I toggled between my two roles, focusing primarily on the derivative portfolio of the flagship fund, as I was certain that was my meal ticket.我在两个角色间来回转换，把主要精力放在公司旗舰基金的衍生品组合上，因为当时我确信这就是自己的饭票。meal tickets更多例句