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1·They will settle the payment of your invoice No. 208 in the middle of next week.

他们会在下周三支付您的208号单据的货款。

2·As we are their servants, there is no sanction or invoice when they don't do their work, waste our time, ignore our advice or make the wrong decision.

就因为我们为他们服务，就对他们不干活，浪费我们的时间，无视我们的建议，胡乱做些决定，而置之不理，怒不敢言吗？

3·OPEC faced an especially acute problem, because the dollar served as oil's invoice currency, meaning the oil-exporting nations had no alternative to dollar accumulation.

欧佩克面临着一个特别尖锐的问题，因为美元作为石油结算货币，这意味着石油出口国除了积累美元之外别无选择。

4·Clients should find no surprises when receiving a final invoice, but if the consultant neglects to include shipping costs in preliminary conversations, such fees will prove problematic.

当收到最终发货单的时候，客户应当不会有出乎意料的发现，但是如果顾问疏忽大意，没有在初步沟通中将运输成本考虑在内，此类费用就会是个问题。

5·For example, it is possible to express that InvoiceType (type of Invoice number) cannot be subtyped, that is, no one can define a new version of InvoiceType.

比如，有可能表示InvoiceType (Invoice编号的类型)不允许子类型化，任何人都不能定义新版本的InvoiceType。

6·If you define an invoice method on a class, you have no way of knowing that some other user of that class won't define a different, incompatible method also named invoice.

如果您在类上定义invoice方法，则您没有办法知道该类的一些其他用户会不会定义不同的、不兼容的方法，还命名为invoice。

7·It defines a set of method names and their argument signatures, but no implementations. The invoice example might look like Listing 1.

它定义了一组方法名称和其参数签名，但是没有实现。

8·An insured shipping method (Priority Mail) is required for all international shipments valued at $100 or more. The cost of insurance will be added to your invoice. NO EXCEPTIONS.

漏掉了一件事，就是总金额超过100美元，好像强制要保险…会增加一点费用喔。