当看到 Lady Bird 在18岁生日当天去超市正大光明地买烟买杂志，以宣告自己的成年之日时，联想到的一二事。
When you are 18 in America, you can do something that you can't before. That's why the year even the day of 18 is meaningful and remarkable for American youngster.
It is popular in America because of some restrictions' existence. But lots of us are still big babies after 18th birthday which represents that we are legal adults.
When we take the 18th seriously in China,but what is the point？