松柏后凋于岁寒，鸡鸣不已于风雨。
【释义】松柏在严寒的岁末最后凋谢，雄鸡在风雨交加之时依然啼鸣不止。
Green and low-carbon development is not a multiple-choice question, but a must-answer question.
The secret of all effective advertising is not the creation of new and tricky words and pictures, but one of putting familiar words and pictures into new relationships.
要享受自由，我们必须控制自己。