c# linq查询的等于大于符号是什么意思？

 // LINQ Query
 //Method 1:
 var bmws = from Car in MyCars
            where Car.Make == "BMW"
            select Car;
//Method 2:
var bmws2 = MyCars.Where(p => p.Make == "BMW" && p.Year == 2018);

p=>p.Make

表示lambda 运算符，表达式