What is the significance of including other marketers on a site like BabyCenter?

对于函数f(x) = x^2，在x=2处的导数是？

在资本主义生产过程中，资本家为了追求更高的剩余价值，不断改进生产技术，这会导致什么现象？

在下列句子中，哪个时态是正确的？“She usually ____ to the gym on weekends.”

Given the sentence 'Nor, if regularity and conformity to a standard pattern are as desirable to the scientist as the average person, does this mean that the scientist will not be interested in exceptions to the rule?', which of the following is the best interpretation of the scientist's interest in exceptions?