The new syntax allows the compiler to enforce a number of new rules.
这种新语法使编译器能够强制一些新规则。
2
Scala uses a number of techniques to minimize unnecessary syntax, making Scala code as succinct as code in most dynamically typed languages.
Scala 使用了一些技巧来减少不必要的语法，使得Scala 源码几乎和其他的动态语言一样简洁。
3
Actually, that's not quite all; there are a number of operations on arrays that are much more elegant to express in Numeric or Numarray than they are with standard Python data types and syntax.