Sentence examples for been complex and difficult from inspiring English sources

Her experience with mental health services in and outside her school has been complex and difficult.

These were complex and difficult negotiations, which required creativity and tough choices on both sides".

The global system that encourages states to acquire nuclear weapons is complex and difficult to manipulate.

The amendments in schedule 10 of the bill are complex and difficult to follow.

Most therapists agree that the disorder is complex and difficult to treat.

They also make commitments using derivatives, creating obligations that are complex and difficult to quantify.

This work is complex and difficult and sadly we cannot eliminate risk or the miscalculation of risk.

The possible negative effects of these kinds of self-replicating, evolving machines are complex and difficult to predict.

I know these are complex and difficult issues, involving systems with an incredible number of moving parts.

"The logistics are complex and difficult to keep secure," he said in urging Israel to abolish the program.

Extracting such information may be complex and difficult.