Number one; we need to expand our technological platforms and invite cross-border collaboration, not close doors and lock computer networks.
首先需要拓展我们的技术平台，增加一些跨国界的合作，不应该关起门来。
2
On examining it he found that the door was not a door; it had neither hinges, cross-bars, lock, nor fissure in the middle; the iron bands traversed it from side to side without any break.
仔细看了以后，他才知道那并不是门。 它既没有门斗，也没有铰链，既没有锁，中间也没有缝。
3
When the lock plates are released, the cross bar will remain firmly locked in position.