驴打滚的特点是香、甜、粘，有浓郁的黄豆粉香味儿。

It is featured smelly, sweet and glutinous and has thick smell of soybean flour.

但只有最有决心和资源实力的国家能做到这点—费用会驴打滚一样的飙升。

Only the most determined and resourceful countries can do that-and the cost is spiralling.