1.account for 導致，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.
長期以來，哲學家們困惑于如何說明這些本質。

2.according to 根據，按照

Again this is according to recently declassified information.
這也還是根據最近解密的信息得知的。

It did not go according to plan.
這個妥協方案并沒有按計劃執行。

3.rack up 在比賽中獲勝

Adding soy can also help you rack up protein.
增加大豆也能幫助你獲得蛋白質。

We use an online bill-paying service, and we buy almost everything by credit card so we can rack up mileage rewards.
我們使用一項網絡付賬服務，用信用卡買幾乎每件東西，因此我們可以累積里程獎勵。

4.credit card n.信用卡

Review your bank and credit card information regularly.
周期性檢查銀行和信用卡信息。

Well you can split it with another credit card.
那你可以用幾張卡里剩下的一起算。