9.8 � � lambda � � � ִ � � �
� � ǰ � � � Ѿ � � � � ۹ � � � � ּ ӹ � � � � ⣬ � � � ּ ӹ � � � � � � � � е ĸ � � � ԭ � � � � � ڵ � � ߵ awesome ݶ � � ߳ � � � � ˼ � � � N1 � � Ҫ � � � � � � У � � � � � ʹ � � � ߵ awesome ݶ � � ߲ � � � � � N1 � 㡣 � ڲ � � ı 䱻 � f � � ֳ � � � � � � � � � £� ֻ Ҫ � ı 䵶 � � � � � � � � � � � � � � lambda � n ɽ � � � � � � � � � ⣬ � � � � � � � Ƴ � � � � the awesome � � ־ ͳ � Ϊ
� � lambda � � � ֡ �
� � � � � � Ҫ � � � � � � � fell � � � � � � � � lambda � ĸ � � � � lambda � � � � ֳ ݳ ߴ � � Ӱ � � � lambda � � � ֵ � � � ϶ � � � ϱ � lambda � � � ִ � � � � � � � � � :
� � lambda � ĸ � � �
� � lambda � � � � ֳ ݳ ߴ � � Ӱ � �
� � lambda � � � ֵ � � � ϶ � � � �
� � lambda � � � ִ � � � � � � � � �
� � lambda � � � ֵ � Ӧ � u � �