The general spending rule is to expect to pay the equivalent of two months 'salary -or at least that's what the jewelry makers advise.

一般的预算支出是两个月的薪水，或者至少珠宝制造商是这样建议的。

The Rational Spending Rule: Spending should be allocated across goods that the marginal utility per dollar is the same for each good.

理性支出原则：产品间的支出分配最终应当能使每种产品上的单位支出产生相同的边际效用。

The general spending rule is to expect to pay the equivalent of two months 'salary - or at least that's what the jewelry makers advise.

一般的预算支出是两个月的薪水，或者至少珠宝制造商是这样建议的。

Unplanned spending, as a rule, usually results in 20-30 percent of our money being wasted because we obtain poor value with our purchases.

没有计划的花钱经常会导致20%~30%的钱被浪费，因为我们没有从所买的东西获得最大价值。

Earlier this year it passed a "Paygo" rule prohibiting new spending or tax cuts from widening the deficit.

今年早些时候，议会通过了《现有资金支付条例》，其目的在于禁止新支出项目或税收削减，以此防止财政赤字进一步扩大。

Justice Samuel Alito Jr. wrote that the rule diminished "the effectiveness" of the rich candidate's spending and of his speech.

法官Samuel Alito认为这条规定削弱了有钱的候选人的花费和候选人的演讲的有效性。

RULE 3:Just Do It Some students like to be told about American culture but are less interested in spending the time and the effort to actually experience it.

规则3：诸行动有些学生喜欢别人给他们讲美国文化，却少有兴趣花时间、精力实际去体验它。