specabbr.细则；规格(=specification)abbr.投机（=speculation)abbr.特别；特别地（=special/specially)Specchia斯佩基亚

1. We will decide on the period of the contract at a later date.
   契约的期限我们以后再定。
2. This period may be further extended by another declaration.
   该期限还可以用另一次声明再度延长。