名词
中文翻译：Unknown
同义词：
['problem', 'difficulty', 'challenge']
例句：
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1.The QALD of the project is to complete it within a year.
项目的QALD是一年内完成。
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2. The team faced many QALDs during the competition.
团队在比赛中面临了许多挑战。
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3. We need to tackle these QALDs before they become bigger problems.
我们需要解决这些问题，以免它们变成更大的问题。