Retention of payments (percentage of invoiced amount)

请问Early Warning Signs of retention risks balance of payments accounting是什么意思? 英语翻译amount of amount of water right amount of water a large amount of the amount of balance of payments accounts是指什么? What is the balance of payments eleven payments of fifty pounds怎样理解? 英语翻译The retention of knowledge workers with the unfolding mo amount of payment是什么意思 The amount of an amount of+ amount of 和amount to区别