YOU SAID:
The time it takes to eat an apple is less than the one to construct a castle.
INTO JAPANESE
リンゴを食べるのにかかる時間は、城を建てるのにかかる時間よりも短いです。
BACK INTO ENGLISH
It takes less time to eat an apple than it takes to build a castle.
INTO JAPANESE
リンゴを食べるのにかかる時間は、城を建てるのにかかる時間よりも短くなります。
BACK INTO ENGLISH
It takes less time to eat an apple than it takes to build a castle.
That didn't even make that much sense in English.