If necessary, both knees can be replaced at the same time.

The windows were replaced at the time with painted glass and the portraits moved to a higher level.

How to replace that energy in sufficient degree at the proper time, without playing the role of vampire.

It would replace the 5 guilder note in circulation at the time.

All seating in the previous existing stand was replaced at the same time.

I'm still glad I chose to have both knees replaced at the same time.

They generally tend to need to be replaced all at the same time.

No explanation as to why was given or that they planned on replacing her at the time being.

Variators are best replaced at the same time as the timing belt.

"And we decided the best and most efficient way is to replace them both at the same time."