YOU SAID:

You should know the smaller portion sizes compared to America.

INTO JAPANESE

アメリカに比べてポーションサイズが小さいことを知っておく必要があります。

BACK INTO ENGLISH

You should know that the portion sizes are smaller compared to the US.

INTO JAPANESE

米国に比べてポーションのサイズが小さいことを知っておく必要があります。

BACK INTO ENGLISH

You should know that the portion sizes are smaller compared to the US.