求翻译：73. 我们常常发现运用一个规律比懂得它要难得多。(apply a rule)是什么意思？

73 We often found that the use of a rule is much more difficult than to understand it. (Apply a rule)

false

73. We discovered frequently utilizes a rule to understand it must be much more difficult than.(apply a rule)

73. we often find it is much more difficult to apply a rule than to know it. (apply a rule)

1. more and more people use a credit card, credit card what are the benefits of. use credit cards to credit card in advance, the month repayment, go to the supermarket to buy more convenient, do not carry large sums of cash, and benefit the management of funds, is part of the interest-free period. i