By their nature, parallel operations can occur in any order, so there is no such restriction on the execution of the paralleltransaction collection.
根据特性,并行操作可以按任何顺序发生,因此,不存在那种对并行事务集合执行的限制。
2
For parallel operations this is not a factor, but consider when a transaction is serial and information from one service call may be needed by another.