请按照nature发文要求润色这段话注意句子语言逻辑关系：An additional explanation for the rise in MBC may be attributed to the fact that the presence of the CS and MS addition resulted in an augmentation of TN levels and an unb

An additional explanation for the observed increase in MBC levels may be attributed to the presence of both CS and MS additions, which led to an augmentation of TN levels and an unbroken provision of N. These conditions, in turn, facilitated N assimilation and encouraged microorganisms to utilize C more efficiently.