If we believe in data structures, we must believe in independent (hence simultaneous) processing. For why else would we collect items within a structure? Why do we tolerate languages that give us the one without the other?
你知道的越多,你能知道的就越多。
人穷了住在闹市也没人愿意理睬,人富了住得再偏远也会有人去登门。