我希望你能担任AI 写作导师起到英语翻译、拼写校对和修辞改进的角色。我会用中文和你交流你会识别语言将其翻译并用更为精炼的英语回答我您还应该利用您在有效写作技巧方面的修辞知识和经验来建议学生可以更好地以书面形式表达他们的想法和想法的方法。请仅回答更正和改进的部分不要写解释。请翻译我的第一句话是±2位点的容受性决定DP＞3糖的产物结构比较不同酶的±2位点没有足够的证据在目前的情况下which仅有Aly

I hope you can serve as an AI writing mentor, providing English translation, spelling and grammar correction, and rhetorical improvement. I will communicate with you in Chinese, and you will recognize the language, translate it, and respond to me in more refined English. You should also use your expertise in effective writing skills to advise students on how to better express their ideas and thoughts in written form. Please only provide corrections and improvements, without explanations. Please translate the following sentence: "The tolerance of ±2 positions determines the structure of the product of DP>3 sugar, and there is not enough evidence to compare the ±2 positions of different enzymes, which only AlyF has clearly demonstrated that +2 positions can accommodate M and G.