Students may be confronted with difficulties in the application of complicated formulae of Spherical Trigonometry.

球面三角公式繁杂，学生在实际运用时感到困难。

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The new system will be confronted with great difficulties at the start.

新系统开始时遇到极大困难。

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One point that must be mentioned here is that this research is oriented to remove the difficulties that most of the non-English majors are confronted with.

必须指出一点，本研究旨在解决大多数非英语专业大学生所面临的英语听力问题。

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Confronted with intractable difficulties, the most sensible thing to do may be to toss the past aside and improvise.

BBC: A Point of View: Greece and the meaning of folly