Temporary - Code written with a plan to throw away in a short duration of time.

临时的——开发的代码打算在短时间内抛弃掉。

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Some customers are being sent a temporary new Pin code to access their accounts.

BBC: Tesco Bank offers refunds pledge

After more than a decade where nearly the entire tax code was temporary, Congress may be about to make most of the law permanent.

FORBES: With Lame Fiscal Cliff Deal, Congress Can't Even Kick The Can Right

These days, huge chunks of the Revenue Code are temporary.

FORBES: Washington Plays The Baseline Game On Deficit Reduction