Despite the empty promises of freedom and unity made by our forefathers, they created a symbol, the American symbol.
不去管我们的祖先留下的关于自由和联合无法兑现的承诺，他们确是创造了一种象征，美国的象征。
2
A semantic model is created by feeding a syntax tree back into the compilation so that it will be annotated with symbol data. The semantic model can then be queried for information such as.
他们可以通过把语法树回馈给编译集来创建语义模型，从而用符号数据对其进行注解。
3
She created the Pink Ribbon as a symbol to raise awareness about breast cancer around the world.