With the increase of population and enfeoffment, the market came into being, which destroyed the preconditions of the square-fields system contract.

而随着周王朝人口的增加和不断分封，市场出现了，这改变了井田制契约存在的条件。

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The operating system sets the fields corresponding to the used resources in the VPA and maintains a shallow copy of them in the VPA.

操作系统将对VPA中与所使用的资源相对应的字段进行设置，并在VPA中维护它们的浅副本。

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The type checker is supposed to help a programmer recover from exactly these sorts of mistakes, but in the case of static fields, the type system could actually help to confuse the programmer.

类型检查器应该能帮助程序员从这些类型的错误中恢复，但对于静态字段而言，类型系统实际上会使程序员更迷惑。

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Buildings aside, Cinque Terre's most unique historical feature is the steeply terraced cliffs bisected by a complicated system of fields and gardens that has been shaped over the course of nearly two millennia.

BBC: Lonely Planet's top European seaside escapes

On BlackBerrys, the keyboard has always been about more than filling in text fields, and the new operating system takes that further.

NPR: Review: BlackBerry Q10, The Keyboard Strikes Back

One thing is certain: People are getting very rich off this expensive U.S. health care system and not just in fields you would expect.

FORBES: Your Health Care Dollars At Work