Sentence examples for difficult and complex undertaking from inspiring English sources

"It has been a difficult and complex undertaking carried out in a short timescale but we see this as the beginning of a new era for openness in medicine.

Reforming our entire financial regulatory structure is a difficult and complex undertaking.

As we've learned this past decade, this is a vast and complex undertaking.

However, this is an arduous and complex undertaking [ 21].

Assistant commissioner Patricia Gallan described Elveden as one of the "most difficult and complex investigations" undertaken by the Met.

"It was difficult and complex.

Rio has always been a difficult and complex city.

Mozart said: "It is a difficult and complex form.

Stem cell research is a "difficult and complex issue".

All three are difficult and complex, and present considerable challenges.

However, the proof is very difficult and complex.