Citing the recent increase in earnings by several computer companies, economists feel that a cycle has begun in which personal computer users, especially corporate consumers, are replacing their PC’s with more powerful models.
- a cycle has begun in which personal computer users(修饰cycle,定语后置)
- a cycle for personal computer users has begun in which they(they在这里指代不清,可以是economists或是computer users,错)
- there is a cycle beginning for personal computer users
- it is the beginning of a cycle for personal computer users
- personal computer users are in the beginning of a cycle when they
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