取非削弱：如果hours decrease，那么生产效率提高，工人虽然少了但产量可以不变，V的进口量就不会增加。

请问这道题flow为什么优于flowing呢？

大家都不看OG实体书吗？因果逻辑。OG的讲解是这样的P625：insincerity helps politicians achieve politically necessary compromises, and these compromises help our goverment to function well, so insincerity must show that our government is functions well.

老师您好~关于to do 和that 那块 我理解的是 announce不会对削减产生影响 所以带to 的不对 不明白这种说法为什么不对 谢谢老师~

搞了半天，原来没有读懂题

you should start this question the same way you start all questions involving averages: by using the 'magic formula'
average = sum / number of data points
or
(average)(number of data points) = sum

(1) Greatest common factor of m & p is 2. We know that both p and m must be even. Given 2

(1) Greatest common factor of m & p is 2. We know that both p and m must be even. Given 2

这道题的题目没读懂，求解释

animals that 后面是一个定语从句是说animals的所以用exhibit－－－－A和B错误
either or 是一个平行结构 不然全用 using left hand ,using right hand;不然全用left hand right hand.只能是d了

方案推理题 cq2.b选项是方案的否定性副作用

图形背景原则是什么...?百度爸爸告诉我是心理学概念...

请问老师，您在解答中提到：在“七经八脉”中有说明，此处不再赘述了。这个在哪里能看到啊？谢谢！

本题问“(-a, b) and (-b, a) and (-x, y)”是否在同一个象限的核心是“a,b,c,d是否同正负”，由题设可知a和b同正负，条件1可知x和y同正负，条件二可知a和x同正负。所以综合条件1和条件2可知abxy同正负。

touch 和 activate 并列

"80/20" principle, which states that about 80 percent of revenue typically comes from only about 20 percent of customers.

Still, advocates of loyalty programs contend that such programs are beneficial because the costs of serving highly loyal customers are lower, and because such loyal customers are less price sensitive than other customers

The reasons for this behavior are fairly straightforward: people buy different brands for different occasions or for variety, or a brand may be the only one in stock or may offer better value because of a special deal.

第一和第二段开始都讲customer loyalty programs的好处，然后都用however来否定了。

第一段: Moreover, 100-percent-loyal buyers tend to be light buyers of the product or service.