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Actually this is Not how it work as you think. Trezor did not use different address to store your btc. This is not how it work
This is the most basic knowledge of how Btc blockchain network process. Below is an example of how it work
Address A received 1BTC, received 2BTC and received 3BTC. So address A total received 6BTC.
Now you would like to withdraw 0.3BTC to address B. The bitcoin network is designed to have your Address A will use your 1st deposited of 1BTC send out the entire 1
BTC leaving address A. And then split into 0.3BTC to address B (the one you want) and remain 0.7BTC to a sub address, which this sub address also belong to address A share same Private Key.
Now when you go blockcbain site, you will see your update balance will be 5BTC (cuz 6-1 = 5) so you could be shock and worry why I only sent out 0.3 but it deduct the entire 1
But on Tezor suite. It able to read all sub address under layer. So it read
Address A = 5
Address C = 0.7
Total = 5.7 BTC in your cold wallet