听力原句1：
Well, design doesn't necessarily include things like sculptures or decorative walkways or… or even eye catching window displays, you know art.
听力原句2：
Professor：That’s another possible reason although it doesn’t necessarily explain other behaviors such as eating, drinking or sleeping.”
语境释义：不一定，未必(不是“不需要”或者“不必要”的意思!)
12. be at odds with
听力原句：
They try to fit in with the rest of the world even though it’s at odds with their beliefs and their identities.
语境释义：与…相违背、相冲突
注：在听力中该短语会有连读，要多听。
13. lesser-known
听力原句：
Employee：You are lucky to have professor who includes the lesser-known writer like her on the syllabus, you know, not the usual authors we’ve all read.
语境释义：不知名的
14. pros and cons
听力原句：
I mean no one really thinks that, say a bee goes through weighing the pros and cons of pollinating this flower or that flower.
语境释义：权衡利弊，仔细斟酌
15. in a different light
听力原句：
Student: I mean... Being a waiter, I get to see a lot of the professors, like in a different light, we joke around a little you know. In the classroom, they always have to be pretty formal, but …
语境释义：从不同的角度，从另外一面
16. low key
听力原句：
Pro: Oh, that's very thoughtful of you, Eric, but it will be low key, nothing flashy. That's not her style.
语境释义：低调的，不张扬的
17. common denominator
听力原句：
There are variations on this model of course, but the common denominators are always an idea of creating a shopping space that will get people to shop in the city without needing their cars.
语境释义：共同点，共性
注意：denominator本意为“分母”
18. tongue in cheek
听力原句：
But if you took away all the DNA that codes for genes, you still have maybe 70% of the DNA left over. That’s the so-called JUNK DNA. Though the word junk is used sort of tongue in cheek.
语境释义：半开玩笑地
19. pull them from thin air
听力原句：
To begin, how do we create fictional characters? We don’t just pull them from thin air, do we? I mean we don’t create them out of nothing.
语境释义：凭空捏造
20. touch base
听力原句：
Advisor: Hi, Steven I schedule this appointment, cause it has been a while since we touched base.
语境释义：联系，进行接触