买校服需要花费很多的钱，因为你每年都在长大，校服会变短。
Uniforms cost a lot of money, because you grow every year and the uniform gets shorter.
你这样做是因为医疗并不花费你很多钱，他们认为，还补充说在这个过程中，你不必要地抬高了整个国家的医疗费用。
You do that because the care doesn't cost you very much, they argue, adding that in the process you are unnecessarily driving up the cost of health care for the whole country.
我这样做，因为这可能是当我知道我特别要花费很多钱。
I do this because that is probably when I know I'm specifically going to be spending a lot of money.
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