double / twice / simultaneous / holding two or more (official) posts at the same time
兼
=
秝
+
肀
:
Mnemonic symbol: a double. Joan of Arc (ji) and her stunt double (兼) are eating two bowls of cereals (秝) while the real Joan of Arc signs autographs with her crayon (肀) in front of the anthill (an1).
廉
=
兼
+
广
:
Li Qingzhao (li) tries to sell her double (兼) a parachute (广) in the anthill's kitchen (an2). Her selling point is that the product is very beautiful but the price is very low (廉).