当然，新的价格变化不会很大用英语怎么说？

Of course，the new price won't change much.

如果你要用在正式文件， won't需要写作will not

and of course, new price will not vary too much

Of course, there aren't going to be a lot of changes to the new price.

well, the price will not apparently fluctuate.

of course,the new change of the price will not be so obvious.

Of course, the new price will not change much