no more than adv. 只是；仅仅
Each class has no more than 8 students.
每个班级的学生不超过8个。
Most molecules live for no more than weeks at a time.
要知道大多数分子的寿命都不超过一星期。
The American Heart Association advises no more than 3 grams for healthy people.
美国心脏协会建议，对健康人来说，每天食盐不应超过3克。
以上,都有"只不过/仅仅"强调很少的意思.
not more than 就没有"很少"这种意思.只是客观上说,不多于...
not more than不超过；至多；不比…更…
And the earholes are not more than three.
还有耳洞不能超过三个。
Answer these questions in not more than 75 words.
回答以下问题，不要超过75个单词。
I have not more than three relatives in this city.
在这个城里，我至多只有三个亲戚。
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