1) In a complex world,to insist upon simplicity is foolish. 

2) The company has a complex organizational structure.

3) In this new book, Harrison brilliantly disentangles complex debates.

4) The task requires a good comprehension of complex instructions.

5) The plot of the TV series is quite complex.

6) Some monkeys have a very complex social hierarchy.

7) This is a highly complex matter.

8) The mechanics of the process are quite complex.

9) It is a simple melody with complex harmonies.

10) The structure of this protein is particularly complex.

11) The risks can be so complex that banks hire mathematicians to puzzle them out.

12) Buddhist ethics are simple but its practices are very complex to a western mind.

13) As the world becomes more complex, some things do, of course, standardize and globalize.

14) His skill lies in his ability to communicate quite complex ideas very simply.

15) The pilot has to carry out a series of complex manoeuvres.

16) He was studying the complex similarities and differences between humans and animals.

17) The architect had produced a scale model of the proposed shopping complex.

18) A careful driver will often stop talking before carrying out a complex manoeuvre.

19) The new sports complex has everything needed for many different activities.

20) It is impossible to understand the complex nature of the human mind.

21) Calcium will interfere and is eliminated by complexing with a ligand which binds calcium and not magnesium.

22) Thirdly,(Sentencedict.com) the binding energy of a crown-ether molecule complexing with an alkali-metal ion is estimated.

23) Through adding assistant complexing agent and controlling initial current density, cathodic polarization was intensified in cyanide-free electrolyte.

24) BHN's organic acid is considered nature's best chelating complexing technology.

25) FCC LCO was treated by an solvent containing complexing agent followed with caustic washing in laboratoty.

26) This paper describes a series of new HF complexing liquid agents , and there usage.

27) The equilibrium concentration of complexing reagent is determined by both direct and indirect methods.

28) Through a series of experiments,[http://sentencedict.com/complexing.html] it was proved that the polarograph wave formed in this system was a complexing adsorption wave.

29) Ultrafine copper powder was prepared using hydrate as reducing agent and water as the complexing agent.

30) Bright primary fruit flavours, predominated by fresh dark cherries, and berry fruits. Pallet very flavoursome , with same fruit flavours, and complexing notes of fine oak spices.