许多发货人抱怨，对于长途运输的如煤炭、化工产品和粮食这样的大宗商品来说，使用卡车运输成本太高，因此铁路公司就会制约他们的发展。

Many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too cost1y and the rai1roads therefore have them by the throat.

youdao

在产品代码中，您将不会希望有这样的选择；但对于早期的测试，就象我所做的这些，是很有帮助。

In production code, you would not want that; but for early testing, something like what I do is helpful.

youdao

这样做的原因是，对于当前产品，您必须在开发时选择绑定。

The reason for this is that, with the current products, you must choose the binding at development time.

youdao

Depends on--I don't want to be too rigorous about that because you could imagine the other way around, but if you talk to managers this sounds more realistic, at least for retail goods like Coke and Pepsi.

这方面我不想太绝对,因为你们可能会想象其他的情形,但如果你们和那些经理谈过,现在的模型会更贴近现实,至少对于可乐这样的零售产品而言

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