By pushing side effects to the edges and keeping our core logic pure, we gain a deterministic and secure execution trace. As a result, debugging shifts from guessing what might have happened to watching exactly what did happen, all without compromising user privacy.
self.storage.close()
，详情可参考同城约会
The owner of Drax power plant has started reducing the amount of Canadian wood pellets it burns, and will stop burning trees from British Columbia entirely within the next year.
在回憶錄《公民：我在白宮之後的人生》（Citizen: My Life After the White House）中，克林頓表達深深的悔意。