She ignores, however, the fact that states vary at least as much in test scores as do developed countries.
然而，她忽略了一个事实，即各州的考试成绩差异至少与发达国家一样大。
While it may seem shocking that there are at least 50 OSI-approved licenses, the licenses vary to suit the content, the purpose, and the needs of the licensor.
尽管可能有些骇人听闻，至少有50个OSI已批准的许可，但是这些许可互不相同，以适合许可方的内容、目的和需求。
But at least the rent does not vary from month to month.
但是房租至少不会每个月都在变化。
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