私はいつも買い物に行く前に何を買うか決めてから行きますって英語でなんて言うの？

1. Shopping list = a list of purchases to be made. "My shopping list was headed by oranges for breakfast, books, and map" a list of items to be considered or acted on. "A lengthy shopping list of detailed proposals" 2. "to be distracted ..." means unable to concentrate because one is preoccupied by something worrying or unpleasant. "Charlotte seemed too distracted to give him much attention"

In the first sentence, you have used adverb 'always' which means, 'at all times; on all occasions'.. You have also used the verb to 'pre-plan', which means, to 'plan in advance'. So you may say: I always pre-plan my shopping before going to the shops. In the second sentence, you have used the phrasal verb 'list down' meaning that you write down on a piece of paper, all the items you need to buy before going shopping.

*I already know what I am buying before I go to the shops.- This means that you go prepared when you go to the shops. You know what you buying. *I always do shopping list before I go to the mall/shopping center. This means that you are one of those people that write down what they are going to buy and also do budget and know how much you are going to spend.

There are a couple of common expressions that refer to unplanned shopping or spending, and the first one is "window shopping." To window shop means to casually look around while going from shop to shop and seeing if something catches one's interest. The other expression, "buying on impulse," means to buy something that looks like a must-have item but latter may prove to be unnecessary or impractical. Another way to say to "decide on something" is "plan beforehand." It indicates that one has a habit of being very organized and well-timed.

All fit well with what you are wanting to say. Good luck.

Shopping list: a list of items you plan on buying when you go shopping Budget: a strict plan of how much money you plan on spending and, or saving. Intention: on purpose, not a mistake Make a habit of: a phrase which explains something that you do often with intention. If you always know what you will be buying when you go shopping that means you draw out a shopping list to help guide you when you go shopping. Shopping lists are great because they allow you to plan your expenses and you can decide before you get to the till, how much you will be spending. Creating a shopping list is easy, you just need to get hold of a catalog from the store where you plan on purchasing your items, make a list of the items you want and you are ready to shop wisely! :) "I like to know how much I will spend on my shopping trips so I create a shopping list to stop me from being tempted to buy everything I see." Happy shopping!