$15
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1堂课
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English音频语言
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{{ languages[language_active]?.label }}字幕选项
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Learners Enrolled ({{users.count}})
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{{ one_user.first_name }} {{ one_user.user_type == 'S' ? one_user.last_name[0] + '.' : one_user.last_name }}
{{category.category[0].category_name}}/{{category.sub_category[0].category_name}}
{{category.category[0].category_name}}