And nothing is more so than the most complicated structure we know of in the universe, the human brain.
Reforming the nation's bond market isn't easy because of its complicated structure.
DirecTV's complicated ownership structure has taken a toll on its shares.
Telecommunications is imploding not only because of unbalanced balance sheets but also because its immensely complicated regulatory structure, involving the federal government and 50 state regulatory agencies, was cobbled together for a pre-Internet era.
That creates a complicated financial structure that investors may have had a hard time getting their heads around, and as I have written previously, raises questions about whether SolarCity is more a solar company or a financial firm.
In other years it could be much more than this and in some significantly less due to the complicated tax and allowances structure.
While Shell was once seen as a model of good management, some investors have in recent years criticised its complicated two-company structure: Royal Dutch Petroleum, based in the Netherlands, owns 60% of the group and London-based Shell Transport and Trading the remaining 40%, with operational management reporting to both boards.
Biological drugs, which have a complex structure, are far more complicated to produce than regular chemical drugs, which have a single molecular structure.
If the structure is too complicated to create using a single hologram, then the pattern of charge on the electrodes can be changed to add extra features.
The educational structure of Northern Ireland is quite complicated, with several different bodies involved in management and administration.
Don Berwick, former administrator of the US Centers for Medicare and Medicaid Services, says the challenge ahead is much more complicated than merely tweaking Medicare's funding structure.
For Russia to continue to grow and develop it really is going to have to make a number of difficult, complicated, and expensive reforms to some very basic parts of its economic structure.
FORBES: Fun with Russian Opinion Polls - Russians Are Increasingly Satisfied with their Lives!
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