Cost had to be a major factor in the decision, because that issue dominates the airline industry, and H-P had more at stake than any other vendor.

成本一定是美国航空做出这个决定的主要因素，因为这个问题已经主导了整个航空业，而惠普在这一方面比任何其它卖方拥有更多筹码。

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A colloid of life is the unknown factor between the animate and the inanimate." (Jubbs Cell Rejuvenation, p.14.)

生命胶质是介于生命体和非生命体的未知介质。

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Results: The concentration of PVA was the significant factor affecting the particle size (P<0.05).

结果：聚乙烯醇（PVA）浓度是影响微球粒径的的显著因素（P<0.05）；

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But there is another more serious factor, pointed out by P.

FORBES: Why Is It Difficult To Get That First Job?