Most get braces when they are in middle school or high school, and keep them on for a year or more.
很多人在初中或高中时便已开始戴牙套，并且要戴一年或者多年。
Although most children don't get braces until about age 12, in certain cases pediatric dentists recommend an earlier use of them to correct structural problems in the teeth or jaws.
尽管多数孩子12岁之前不需要戴牙箍，然而某些情况下儿科牙医确实会建议早些使用牙箍以矫正牙齿和腭部出现结构问题。
And then what I get to do inside the curly braces is literally line by line enumerate the cases that I want to apply to the following code.
然后我们在花括号中要做的是，逐行地列举接下来我想要，应用的代码。
To get an array of all the matching HTML elements in a page, you can simply pass the HTML tag itself, without the braces, into the jQuery search field.
要获取一个页面中所有匹配的HTML元素的数组，您仅需将HTML标记(不带括号)传递到jQuery搜索字段。
So the open curly brace followed by the closed curly brace means everything inside of these curly braces should get executed, but only if that first condition is actually true.
所以左花括号后面跟着，右花括号，这意味着花括号里面所有的代码，都应该是要被执行的，但只有当第一个条件是正确的。
But for now, it's probably simpler just always use the curly braces just to get into the habit.
但是现在，简单起见，你可以，养成每次都使用花括号的习惯。
But for now, it's probably simpler just always use the curly braces just to get into the habit.
但是现在，简单起见，你可以，养成每次都使用花括号的习惯。
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