Only the six are real global film companies, while the rest are not. If we are to build a real movie empire, this is a necessary step.

只有好莱坞六大是真正全球性的电影公司，其他的都不是。如果我们想打造一个真正的电影帝国，这是必要的一步。

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next six months. We'll provide you with two lab assistants and if necessary

在今后的半年里合作共事。我们将给您配备两名实验助手。必要时我

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If it should be necessary, I could come at six.

如果有必要，我可以在六点钟来。

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Vaccination for whooping cough begins when a child is two months old, but a series of three shots, to be completed by six months, is necessary for adequate protection.

CNN: Vaccination role unclear in whooping cough outbreak

In a period of high unemployment, financial planners recommend having six to twelve months of necessary expenses in a liquid fund available.

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The Republicans could defer all discussions with regard to the debt ceiling, which may be hit as early as January, to the next Congress by increasing the debt ceiling by the amount necessary to accommodate three or six additional months of deficit spending.

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