The firm says marketers would do better to build a defensibly large market position in one city , rather than small positions over a wide area .

麦肯锡称，营销人员要想在中国市场上做得更好，应该在一个城市群做大、做强，而不是在全国遍地开花。

These accommodate overlord of scholar are vassals of han army in the north of china at that time , they got the mongolian ruler to trust by assisting the work praised when invading in the north china of mongolia , become one of the defensibly local military strength .

这些收容士人的霸主，为当时华北雄据一方的汉军世侯，他们于蒙古南侵时以襄赞之功，获得蒙古统治者信赖，成为镇戍地方的军事力量之一。