1 foster是促进培养的意思,不可能与out of搭配.out of是表示不让这么做
2 是虚拟语气的省略+倒装.应该是 if it had not been for two particularly skillful members of the work crew,于过去事实相反,得用if it had done+其他成分,主句用could/would/might have done.省略了if时,就得把had提前,就变成了你这句话的样子.
这句话是要不是团队里的2名特别有技术的成员,我们不可能按时完成装修任务