During his time, the English language was changing.

VOA: special.2010.01.13

Changing methods of grazing also requires time.

VOA: special.2010.01.19

But with the price of gold at an all time high, things are changing.

VOA: standard.2009.10.17

"Because it's happening so quickly, they haven't had time to adapt and change, if you imagine a climate changing over hundreds of thousands of years, bears and other animals would gradually move into other habitats,but because this is going to happen over decades, it will be too fast for them to adapt and look for other food sources,"

VOA: standard.2009.12.13