diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index 1173edc..08a3f48 100644
--- a/pages/总复习2023t1.md
+++ b/pages/总复习2023t1.md
@@ -1470,17 +1470,17 @@
 								- concept generation,
 								- quick prototypes,
 								- estimates of market sizes and growth rates.
-							- Goal
+							- Goal #flashcard
 								- resolve the greatest uncertainty surrounding each one at the lowest cost in time and money.
 						- Select **exceptional opportunities**
-							- Goal
+							- Goal #flashcard
 								- select a few that warrant a significant investment in product development.
-							- Approach:**Real-Win-Worth-it**
+							- Approach:**Real-Win-Worth-it** #flashcard
 								- **Real**: Is the opportunity real?
 								- **Win**: Can you win with this opportunity?
 								- **Worth** It: Is it worth doing?
 						- **Reflect** on the result and process.
-						  Ask the following questions:
+						  Ask the following questions: #flashcard
 							- **How many** of the opportunities identified came from internal sources versus external sources?
 							- Did we consider **dozens or hundreds** of opportunities?
 							- Was the innovation charter **too narrowly focused**?