The US secretary of State John Kerry has held preliminary discussions with his counterparts from Iran, Russia, Turkey and Saudi Arabia.

美国国务卿约翰·克里已经与伊朗、俄罗斯、土耳其以及沙特外长举行了初步讨论。

To go into this argument fully at our present stage would be impossible, since it raises points requiring a considerable preliminary discussion; but certain reasons for rejecting the argument may be noticed at once.

在我们现阶段充分讨论这一论点是不可能的， 因为它提出了需要大量初步讨论的问题; 因此，必须进行必要的初步讨论。 但是，拒绝该论点的某些原因可能会立即被注意到。