n} relationship, a customer is required to have at least one account and one address.

n}关系，一个客户需要拥有至少一个帐户和一个地址。

youdao

However, because the average customer vector is extremely sparse, the algorithm's performance tends to be closer to o (m + n).

但是，由于顾客向量的平均值很稀疏，算法的执行更倾向于接近o (M + N)。

youdao

However, because the average customer vector is extremely sparse, the algorithm's performance tends to be closer to o (m + n).

但是，由于顾客向量的平均值很稀疏，算法的执行更倾向于接近o (M + N)。

youdao