求翻译：应收账款管理出现的问题既有购买方的原因，又有销售方的原因，根据内因通过外因起作用的原理，我认为要解决这一问题需要从企业内部入手，加强内部控制管理。是什么意思？

Receivables management problems both buy side of reason, but also the sales side of reason, according to internal and external work principle, I think to solve this issue needs to start from within the enterprise, to strengthen internal control and management.

Accounts receivable management problems for both parties, and the reason for a party, in accordance with the internal operation of the external factors play a role, I think that in order to solve this issue needs to be from the internal approach, the strengthening of the internal control management.

The account receivable management appears the question both has buys the buyer the reason, and has seller's reason, according to the internal cause the principle which has an effect through the external factor, I thought must solve this problem to need from enterprise interior obtaining, the enhance

Accounts receivable management problems purchase reasons, and the sales reason, based on the principle of internal work by external causes of, I think we need to address this problem needs to start from within the enterprise, strengthening internal control management.

正在翻译，请等待...