˼ � � � � � � ϰ � �

7.1 � � Ͳ � � � � � � � e � � � � ѡ � � � � Щ � � � ϣ � e � � ѡ � � � � � ʲ o ص 㣿

7.2 party � � � � � � � Щ � � � � � � ɣ � � � � seem � � � � � a

7.3 party � � � � � ĥ � � � � ĥ Ӧ ע � � � � Щ � � � ⣿

7.4 � � � � � � � � � һ � � � ܴ � � � ־ � � ȵ ȼ � � ͱ � � � ֲ ڶ ȣ �

7.5 � � ֤ � � Ͳ � � � � � � � � ໥ lambda � lay down � � � � � � � Щ � � � � � � � Ծ � � � ˵ � � � � Щ � � � � � � � ص � � � � Ӧ � ԣ �

7.6 � ӹ � � � � � � � � � Ͳ ʱ � � � � � � � � � � � � Щ � � � � � ѵ 㣿 � � � � � � Щ � � ʩ � � � � � � �

7.7 � Թ � � � � ܽ � � � ֿ ׼ ӹ � � � � � � Ĺ � � � � ص 㼰 � � � � Ӧ � ԣ �

7.8 � � � � ͼ 7.19 � � ʾ � � Ͳ � � � � ڵ � � � С � � � � � � ʱ � Ĺ � � չ � � ̡ �

7.8 ͼ ͼ 7.19 � �