Because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.
因为它全是数字化的,它淘汰了二手书市场,也杜绝了任何共享,而且因为作业和考试都是通过准入码进行的,它让人们失去了选择退出的任何能力。
But because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.
但因为它全是数字化的,它消除了二手书市场,也消除了任何共享,而且因为作业和考试都是通过准入码进行的,它消除了任何选择退出的能力。
He could not watch TV except for two programs a week, could not play with his friends after school until he finished his homework, and had to read two books a week and write book reports about them.
他一周只能看两个电视节目,放学后完成了家庭作业,才能和朋友们一起玩,而且每周必须读两本书,还要写关于这些书的读书报告。
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