an immense amount造句

But it will take researchers at least three years to isolate the bacteria, before they can even start to develop a way of transferring it to cattle and sheep.

Just for this reason, it has caused an immense amount of trouble.

There is still an immense amount of work to be done.

At a time when the hands of slaves were the only dependable tool, what an immense amount of labour and expenses must have been involved in digging a well here!