since the year one
US /sɪns ðə jɪr wʌn/
UK /sɪns ðə jɪr wʌn/

1.
自古以來, 很久很久以前
for a very long time; since the earliest possible time
:
•
This tradition has been observed since the year one.
這個傳統自古以來就一直被遵守。
•
He's been complaining about that problem since the year one.
他自古以來就一直在抱怨那個問題。