请帮忙翻译

I want to ask how to translate the following sentence in English: "The original film of this fabric pattern is no longer available at the factory and the color cannot be modified. If we insist on making changes, there will be mixed colors, so we cannot provide you with the modified pattern. However, the original fabric pattern is still available and the factory can adjust and change the color according to your requirements. Therefore, it is best for you to tell us which part of the pattern needs to be modified and changed to what color. If you insist on seeing the modified pattern, we will need to redraw it, which will result in a considerable charge for the sketching and take some time."