二十来分钟后，阿爸收拾好了。他拿起手机，给对方打电话，说自己准备出发。对方没接。
One of the biggest developments in the fire alarm space in recent years has been the rise of smart tech – wi-fi connected alarms that reach you by phone, for example, if they sense smoke while you are out.
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Almost a year ago, OPEC+ brushed aside warnings of a global supply surplus and chose to increase oil production. History seems about to repeat.
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