大儿子的年龄。嘻嘻，啥的都可以搞错，就是辈分不能错。
Before 49, people in China normally bought big or small yellow fish, and then afterwards gold had been controlled for many years. Nowadays only gold coins are available both in China and in the States. HK shall be the better place to buy gold. So actually you shall know better than I do.
