capital saving invention 资本节约发明
saving invention
储蓄的发明
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Internet has brought about so many things that have altered the way the world works, including the life-changing and time-saving invention of household hacks.
互联网给世界带来了诸多改变，比如下面这些能改变生活，还能节省时间的持家小妙招。
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