入境随俗

入 = 丿 + ㇏ : Mnemonic symbol: a big enter button.

入 = 丿 + ㇏ : Some aliens have disguised themselves as banana and float by the space station's bathroom. Rachel Rhinoceros sees them and because she loves bananas, she presses a big enter button with her finger to let them enter.

境 = 土 + 竟 : Joan of Arc wants to start her own kingdom and starts with claiming her own territory in the engine's bathroom. She created some walls out of mud but because she has no money to pay, she has a very inexpensive border control consisting of Jacks in their boxes.

随 = 迶 + 阝 : Susan Saint Bernard walks the pope just inside the Eiffel Tower's kitchen. Susan Saint Bernard wants to climb the tower vertically and pulls on the pope's leash, but the pope cannot follow her, which puzzles Susan Saint Bernard because it's the most normal thing in the world to her.

随 = 迶 + 阝 : Susan Saint Bernard walks the pope just inside the Eiffel Tower's kitchen. Susan Saint Bernard wants to climb the tower vertically and pulls on the pope's leash, but the pope cannot follow her, which puzzles Susan Saint Bernard because it's the most normal thing in the world to her.

俗 = 亻 + 谷 : Rosa Luxemburg (亻) just arrived at the space station and in the entrance (Ø2) she sees Susan Saint Bernard (su) hanging out in her web. Rosa brought some popcorn (谷) as a present and asks Susan Saint Bernard whether she wants to watch a movie, which she does. Both of them think "when in Rome, do as the Romans do" (俗), so Rosa climbs up to Susan Saint Bernard in her web and Susan Saint Bernard eats some of Rosa's popcorn.