While computers offer these conveniences to consumers, they have many advantages for sellers too.
电脑在给消费者提供这些便利的同时,也给销售者带来了很多好处。
As digital learning uses computers or smartphones, watching the screen too long may be bad for your eyes.
由于数字学习使用电脑或智能手机,长时间盯着屏幕可能对你的眼睛有害。
Although innovations such as video, computers, and the Internet seem to offer schools improved methods for instructing students, these technologies all too often distract from real learning.
尽管视频、计算机和互联网等创新技术似乎改善了学校的教学方法,但这些技术常常分散了真正的学习。
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