1·Most variables and functions should start with a lower case letter.
大多数变量和函数应以小写字母开头。
2·What other variables could be used if the racial concept is thrown out?
如果种族概念被抛弃,还可以使用哪些变量呢?
3·So what other variables could be used if the racial concept is thrown out?
那么,如果种族概念被抛弃,还可以使用哪些变量呢?
4·Put simply, a class is a discrete block or bundle of variables and methods.
简单地说,类是一个由变量和方法组成的离散块或束。
5·When the researchers plugged in a number of other variables, such differences disappeared.
当研究人员加入一些其他变量时,这种差异消失了。