Idiomatické spojení pros and cons/ˌprəʊzən'k­ɒnz//ˌprouzən'kon­z//ˌproʊzən'kɑ:nz//ˌprou­zən'kánz/ znamená pro a proti (výhody a nevýhody). Pozor si dejte na výslovnost – v první slabice je “ou”, před spojkou je “z”, navíc se spojka často redukuje.

I'm sure you know there are pros and cons to it. Don't expect everything to turn out well. ^*1
We discussed the pros and cons of setting up our own business, but it wasn't very fruitful. ^*2
Let's add up the pros and cons. I guess you'll be surprised it's not all that black and white. ^*3
After listening to the pros and cons, the boss decided not to fire him in the end. ^*4
You should consider all the pros and cons first. I wouldn't say yes without thinking it through. ^*5  

Toto spojení často uslyšíte po slovesu weigh/'weɪ//wej/­/'weɪ//wej/, které kromě základního významu vážit (zjistit hmotnost) má i význam zvážit, zvažovat, rozvážit (v tomto významu lze použít i frázové weigh up).

I weighed the pros and cons and decided against it. ^*6
You should weigh up the pros and cons of selling the house. ^*7  

Ač se teoreticky dají použít odděleně (one of the pros, some cons), někteří rodilí mluvčí to považují za nepřirozené. Máme však i jiné možnosti, jak vyjádřit výhody a nevýhody, a tato spojení lze běžně rozdělit. Např. advantages and disadvantages, positives and negatives, upsides and downsides, benefits and drawbacks.

When considering a job offer, it’s essential to weigh the advantages and disadvantages before making a decision. ^*8
Before switching to a plant-based diet, it’s important to consider the positives and negatives associated with it. ^*9
While there are definite upsides and downsides to investing in stocks, understanding the market is vital for success. ^*10
There are significant benefits to volunteering, but some drawbacks include time commitments. ^*11
There are many positives to traveling, such as experiencing new cultures. ^*12
The disadvantages of working from home can include feelings of isolation. ^*13