Recent studies, however, have uncovered new instances of a counting skill in different species, suggesting that mathematical abilities could be more fundamental in biology than previously thought.
而最近的一些研究发现不同物种具有数数儿能力的例子，说明算术能力在生物中比之前认为的更普遍。
2
Asking a question is often more important than solving a problem, because the solution may be just a mathematical or experimental skill.
提出一个问题往往比解决一个问题更重要，因为解决问题也许仅是一个数学上或实验上的技能而已。
3
The special factor which cause mathematical learning difficulty mostly include intellectuality, thinking factor, the skill of mathematical learning, teaching contents, teaching methods etc.