旬义分析题。选项A“it is not easy for them tO make their fortunes”(他们的财富来之不易)；选项B“they want their children tO make their own way”(他们希望孩子们走自己的路)；选项C“they just wish their children to have a comfortable life”(他们只是希望自己的孩子过上舒适的生活)；选项D“they hope to gain reputation by donating their wealth”(他们希望通过捐赠财产来获取名声)。从原文“But they don’t want to leave them millions and millions because they know how important it is for them to make their own way．”(但是他们并不打算留给后代们上亿身家，因为他们知自己走自己的路有多么重要。)可排除选项A、C、D，因此，B为正确答案。