坐在屏幕前的时间别太长了。
Don't spend too much time in front of screens.
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之前的研究也将花在屏幕前的时间与注意力问题挂钩。
Previous studies have also linked screen time with attention problems.
他们只是把焦点放到那些具有娱乐性质的在屏幕前度过的时间。
They tried to focus only on entertainment screen time.
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