LINQ --- query syntax and method syntax

namespace ConsoleApplication45
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] numbers = { 2, 5, 28, 31, 17, 16, 42 };

            var numsQuery = from n in numbers     //查询语法
                            where n < 20
                            select n;

            var numsMethod = numbers.Where(x => x < 20);   //Issuing a query 

            int numsCount = ( from n- in Numbers       // two forms composition 
                             WHERE n-< 20 is 
                             SELECT n-) .Count (); 

            the foreach ( var X in numsQuery) 
            { 
                Console.Write ( " {0}     " , X); 
            } 
            Console.WriteLine (); 

            the foreach ( var X in numsMethod) 
            { 
                Console.Write ( " {0}     " , X);
 
            }
            Console.WriteLine();

            Console.WriteLine("{0}", numsCount );
        }
    }
}