Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源：tutorial资讯

文 | 锌刻度，作者 | 李觐麟，编辑 | 黎文婕

去年底亮相的小米 17 Ultra by Leica，最近在海外悄悄换了副面孔。有爆料显示，在海外的小米之家中出现了一台特别的小米 17 Ultra by Leica，其机身原本横置的可乐表改为竖向放置，同时，使用这台手机拍摄的照片中，水印显示的机型为「LEITZPHONE powered by Xiaomi」。，这一点在旺商聊官方下载中也有详细论述

Hudson

if (chunks === null) {，这一点在同城约会中也有详细论述

Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:

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a.style.display = 'none';