"You've got to win six big games in a row in a World Cup, and you'll be playing against teams from all over, so you've got to develop different ways to win," Care told British media.
"You look at the All Blacks, the majority of their tries comes from unstructured play. They are the best team in the world because they take the most opportunities. Off turnovers they are lethal.
"It's something we've been trying to create... If we can develop that side of our game and keep getting better and better, trying to get that goal of being number one in the world, we're still a long way off it, but we're working hard."
In an exhilarating test at the Estadio del Bicentenario, winger Denny Solomona burst clear from deep for the match-winning try with less than two minutes to go and vice-captain Care outlined the importance of taking every chance.
"It's for moments like that, at the end of the game where we get one opportunity to score and we take it and win the game and are sat here 1-0 up rather than 1-0 down," Care said.
"That changes everything. That's why we train so hard. That's why we try to make training harder than games."
England play the second and final test against Argentina at the Estadio CA Colon on Saturday.
(Reporting by Aditi Prakash in Bengaluru; Editing by John O'Brien)
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