２０００にせん年ねん問もん題だい

noun

Y2K problem; year 2000 problem

Historical computing term referring to the bug expected when dates rolled over to the year 2000.

• ２０００年ねん問もん題だいに備そなえて、多おおくの企き業ぎょうがシステムを改かい修しゅうした。

  In preparation for the Y2K problem, many companies updated their systems.