NO.PZ2019012201000007
问题如下：
TMT fund is a passively managed equity fund. Therefore, compared with an actively traded fund, both of its trading frequency and trading costs are lower. Is it correct on both trading frequency and trading costs?
选项：
A.Only on trading frequency.
B.Only on trading costs.
C.Yes, they are both correct.
解释：
C is correct.
考点：Investment Approaches
解析：被动型管理的基金往往会选择被动地投资指数，因此交易频率显著低于主动型管理的股票投资组合，交易频率低，交易费用少。
老师在强化串讲里专门提到active management takes place up front rather than continuously, 这句话要怎么理解？
老师说的是因为主动型weight的变化，买了就不动了，这个不是频率少的意思吗？
如果不是，那这句话要怎么理解，和这道题又怎么区分呢
