diff --git a/__diff/README.md b/__diff/README.md
new file mode 100644
index 0000000..bcf244b
--- /dev/null
+++ b/__diff/README.md
@@ -0,0 +1,5 @@
+Pending:
+
+* https://github.com/mitsuhiko/similar
+
+
diff --git a/__translate/retranslate/Cargo.lock b/__translate/retranslate/Cargo.lock
new file mode 100644
index 0000000..a8063f7
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diff --git a/__translate/retranslate/Cargo.toml b/__translate/retranslate/Cargo.toml
new file mode 100644
index 0000000..d154296
--- /dev/null
+++ b/__translate/retranslate/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "retranslate"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libretranslate = "0.2.4"
diff --git a/__translate/retranslate/README.md b/__translate/retranslate/README.md
new file mode 100644
index 0000000..4ca44d1
--- /dev/null
+++ b/__translate/retranslate/README.md
@@ -0,0 +1,9 @@
+
+Introduction:
+https://www.reddit.com/r/rust/comments/m8shr4/libretranslaters_a_foss_alternative_to_google/
+
+Github:
+https://github.com/DefunctLizard/libretranslate-rs/
+
+POST to https://libretranslate.com/translate and output the result.
+
diff --git a/__translate/retranslate/src/main.rs b/__translate/retranslate/src/main.rs
new file mode 100644
index 0000000..1c5bfc4
--- /dev/null
+++ b/__translate/retranslate/src/main.rs
@@ -0,0 +1,13 @@
+use libretranslate::Language;
+use libretranslate::translate;
+
+fn main() {
+    let source = Language::Chinese;
+    let target = Language::English;
+    let input = "我是中国人";
+
+    let data = translate(Some(source), target, input).unwrap();
+
+    println!("Input {}: {}", data.source.as_pretty(), data.input);
+    println!("Output {}: {}", data.target.as_pretty(), data.output);
+}