提起 permanent 或者 temporary，你可以會自動諗起另一個字。考 DSE 時，如果你想講某個 solution 有長遠嘅效果，抑或得短暫嘅成效，除咗 permanent, temporary 仲可以點形容呢？
He gives his wife the ring as a pledge of his everlasting love.
The family precept will be the immortal words for his family and all his offspring.
The Law of the Ladder is one of the immutable laws of Marketing.
Once you adopt a child, taking good care of him or her will be your perpetual responsibility.
The schedule is only provisional. You can always change the dates.
They were catapulted to fame due to their new song. However, the success was ephemeral.
The weather is too cold and frigid, the hand warmer only has a transient warming effect.
I hope this hot weather can be transitory, or otherwise, I should experience heat stroke frequently.