失去学习的热情
Lose the enthusiasm for learning
以上为机器翻译结果，长、整句建议使用 人工翻译 。
如果他们没有机会接触更深的课程，学习适合他们水平的课程，他们就会失去学习热情和兴趣，失去激情。
And if they don't have a chance to play with advanced curricula and be learning at the levels at which they are functioning, then they lose that spark, inspiration and passion.
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