diff --git a/Readme.md b/Readme.md
index ea50090..72ef9b0 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,25 +1,30 @@
 # Rust By Practice
 
-This book was designed for easily diving into Rust，and it's very easy to use: All you need to do is to make each exercise compile without ERRORS and Panics !
+This book was designed for easily diving into Rust, and it's very easy to use: All you need to do is to make each exercise compile without ERRORS and Panics !
 
-> 🎊 Updated on 2022-03-05: Add [Traits chapter](https://practice.rs/generics-traits/traits.html) and solutions
+> 🎊 Updated on 2022-03-05: Add [Traits](https://practice.rs/generics-traits/traits.html)
+
+## Read online
+
+- [https://practice.rs](https://practice.rs)
 
 ## Features
 
-- Read, Edit and Run the exercise ONLINE
-  
+Part of our examples and exercises are borrowed from [Rust By Example](https://github.com/rust-lang/rust-by-example), thanks for your great works!
+
+Although they are so awesome, we have our own secret weapons :)
+
 - There are three parts in each chapter: examples, exercises and practices
-  
-- Covering nearly all aspects of Rust, such as **async/await, threads, sync primitives, optimizing and stand libraries** etc
-  
-- Solution for each exercise
-  
-- Difficulty from easy to super hard: easy 🌟  medium 🌟🌟 hard 🌟🌟🌟  super hard 🌟🌟🌟🌟
-  
-- Both [English](https://practice.rs) and [Chinsese](https://zh.practice.rs) are supported
 
+- Besides examples, we have `a lot of exercises`, you can Read, Edit and Run them ONLINE
 
-> Part of our examples and exercises are borrowed from [Rust By Example](https://github.com/rust-lang/rust-by-example), thanks for the great works you have been done!
+- Covering nearly all aspects of Rust, such as async/await, threads, sync primitives, optimizing and standard libraries** etc.
+
+- Every exercise has its own solutions
+
+- The overall difficulties are a bit higher and from easy to super hard: easy 🌟 medium 🌟🌟 hard 🌟🌟🌟 super hard 🌟🌟🌟🌟
+
+**What we want to do is fill in the gap between learning and getting started with real projects.**
 
 ## Some of our exercises
 
@@ -33,7 +38,7 @@ struct Point(i32, i32, i32);
 fn main() {
     let v = Point(___, ___, ___);
     check_color(v);
-}   
+}
 
 fn check_color(p: Color) {
     let (x, _, _) = p;
@@ -62,7 +67,7 @@ fn main() {
 
     // ONLY modify this line
     println!("{}, {}, {:?}",f.name, f.data, f);
-} 
+}
 ```
 
 🌟🌟 A match guard is an additional if condition specified after the pattern in a match arm that must also match, along with the pattern matching, for that arm to be chosen.