Unexpected changes in friendships could occur.

友情上可能会发生意想不到的变化。

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A process control alert may indicate unexpected changes in product or assay performance.

工艺控制警戒可能预示产品或分析性能的意外变化。

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Remember, the unexpected changes in your life are just preparing you for growth and success.

切记：你生命中那些意想不到的变故就是为你的成长和成功所准备的。

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Barring unexpected changes, there can be little doubt that if Mr Uribe were to run, he would win.

ECONOMIST: But the courts could still block it

Officials said the step was a result of "unexpected changes" to staffing.

BBC: Banbury Horton abdominal surgery suspension extended

As such, these business leaders are carefully monitoring each move we make and how we are reacting to the unexpected changes in our business climate.

FORBES: Stop Procrastinating and Start Creating a Strategy for Your Career. A New Breed of Competitors Is Coming!