Life can be likened to a journey with an unknown___ .

Using a credit card can best be likened to (使用信用卡可以最好的比较——中文由在线翻译而来，仅供参考) A: taking out a loan.取出贷款。 B: a barter exchange.一个易货交易所。 C: using any other form of money because you immediately get to take the goods home.使用任何其他形式的钱，因为你马上把货物带回家。 D: writing a check on your demand deposit account.在您的定期存款账户上写支票。