文字识别，输入一段文字（英文），返回0-1的结果。越靠近0表示所测试越消极；越靠近1表示所测试文字越积极。-Character recognition, type a text (in English), 0-1 to return results. The more negative the closer to 0 indicates that the test the closer to 1 indicates that the positive test text