Updated 客户端多国语文案 (markdown)

@@ -255,4 +255,14 @@ No lesson is available for you yet.
 
 请填写你的注册邮箱账号。 Please enter your e-mail address associated with your BOXFiSH account.
 
-邮件地址 E-mail address
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+邮件地址 E-mail address
+
+保存时间
+您正在选择在线上课时间，是否保存？
+不保存 保存
+Save selected
+You've selected some available time for teaching. Do you want to save it？
+Don't save   	 Save
+
+今天没课了哦～
+No lesson for today.
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