If you have ~, you have pains in your stomach and chest that are caused by difficulties in digesting food.
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If you have ~, you have pains in your stomach and chest that are caused by difficulties in digesting food.
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Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012