YOU SAID:
I have installed my new Intel CPU
INTO JAPANESE
私は新しい万年筆をなくしてしまった。
BACK INTO ENGLISH
I have lost my new fountain pen.
INTO JAPANESE
私は新しい万年筆をなくしてしまった。
BACK INTO ENGLISH
I have lost my new fountain pen.
You've done this before, haven't you.