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1·The machine will start by itself in a few seconds.

机器将在几秒钟后自动启动。《牛津词典》

2·Scratching by itself—that is, in the absence of an itch—had no such effect.

抓挠本身——即不养时——并无这样的效果。

3·The house stands by itself in an acre of land.

房子孤零零地坐落在一大片田野间。《牛津词典》

4·Nature by itself, he writes, runs on principles of balance and holism.

自然界本身，他写道，是按照“平衡和整体的原则”运转的。《柯林斯英汉双解大词典》

5·AI can think by itself.

人工智能可以自己思考。

6·AI will never think by itself.

人工智能永远不会自己思考。

7·This car can run by itself, so it's very expensive.

这辆车可以自动驾驶，所以很贵。

8·It's not safe to leave a baby in a car by itself.

将婴儿单独留在车里不安全。

9·For example, your bread maker could make breakfast by itself after your alarm rings.

例如，你的面包机可以在你的闹钟响后自己做早餐。

10·The Chinese company Huawei is always trying to produce the best smart phones all by itself.

中国公司华为一直试图自己生产最好的智能手机。