Merge pull request #332 from lzy1960/master

fix: misleading words

en/src/compound-types/string.md

@@ -155,6 +155,7 @@ fn main() {
 /* Fill in the blank and fix the errors */
 fn main() {
     let raw_str = r"Escapes don't work here: \x3F \u{211D}";
+    // Modify above line to make it work
     assert_eq!(raw_str, "Escapes don't work here: ? ℝ");
 
     // If you need quotes in a raw string, add a pair of #s
@@ -166,6 +167,7 @@ fn main() {
     let  delimiter = r###"A string with "# in it. And even "##!"###;
     println!("{}", delimiter);
 
+    // Fill the blank
     let long_delimiter = __;
     assert_eq!(long_delimiter, "Hello, \"##\"");
 
@@ -262,4 +264,4 @@ fn main() {
 }
 ```
 
-> You can find the solutions [here](https://github.com/sunface/rust-by-practice)(under the solutions path), but only use it when you need it
+> You can find the solutions [here](https://github.com/sunface/rust-by-practice)(under the solutions path), but only use it when you need it