一段翻译,求大神帮助?帮助肯定回报.

一段翻译,求大神帮助?帮助肯定回报.
Demurrages at both load and discharge ports, if any and if not caused by Seller’s nominated load terminal, will be paid by the Seller to the Buyer at sight, at first and simple written request. Conversely, if demurrages have been caused by the Buyer’s discharge terminal, then the corresponding amount shall be borne by the Buyer to be paid to the Seller at sight, at first and simple written request. Time shall not count against lay time or if the vessel is on demurrage, or demurrage when spent or load.