要求明确应该是不必要的——只要我能看到你正确执行回滚，这样你的对象处于一致状态。
Calling clear should be unnecessary though - as far as I can see you are performing a correct rollback, such that your object is in a consistent state.
我可以保证只要掌握了以上五个步骤，你就能看到你干巴巴演说一下变得活力四射。
Master these five steps, and watch your speeches go from dry to dynamic. That much I can promise.
只要每天能看到你的脸，让我坠入深渊我也愿意。
As long as I can see your face every day, let me fall into the abyss.
只要我想，我就能看到你。
只要我想，我就能看到你。
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