Extensive FAE support can be difficult to obtain due to the large Numbers of accounts they generally support.

由于他们通常支持的客户数量众多，获得广泛的FAE支持可能很困难。

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Although a diet high in fruits and vegetables is recommended for optimum health, it can be difficult to obtain the appropriate daily servings.

虽然在水果和蔬菜的饮食高是最佳的健康建议，它可能很难获得相应的日常份。

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The hybrid experimental-numerical technique yields reliable information which may be difficult to obtain by the single use of either the experimental or numerical technique.

实验和数值混合法可以得到单纯从实验方法或数值方法不能获得的可靠资料。

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Tuition and travel costs are often very high, especially for students from developing nations, and student visas can be difficult to obtain and maintain.

BBC: The statistics of studying abroad

In practice, they will be able to act only inside Japan, and proof of wrongdoing will, as now, be difficult to obtain.

ECONOMIST: Japan

It can be difficult to obtain information about how prisons operate.

FORBES: UPDATED: Private Prisons Are Exempted From Federal Disclosure Laws; Advocates Say That Should Change