1.account for 导致，引起

Do women account for more of today's affairs?
如今女性在婚外情中所占比例是不是更大？

Philosophers had long wondered how to account for essences.
长期以来，哲学家们困惑于如何说明这些本质。

2.according to 根据，按照

Again this is according to recently declassified information.
这也还是根据最近解密的信息得知的。

It did not go according to plan.
这个妥协方案并没有按计划执行。

3.rack up 在比赛中获胜

Adding soy can also help you rack up protein.
增加大豆也能帮助你获得蛋白质。

We use an online bill-paying service, and we buy almost everything by credit card so we can rack up mileage rewards.
我们使用一项网络付账服务，用信用卡买几乎每件东西，因此我们可以累积里程奖励。

4.credit card n.信用卡

Review your bank and credit card information regularly.
周期性检查银行和信用卡信息。

Well you can split it with another credit card.
那你可以用几张卡里剩下的一起算。