Sentence examples for are often complex from inspiring English sources

The rules are often complex and unclear.

The influences are often complex.

The reasons for noncompliance are many and are often complex.

Surrogacy laws are often complex and costly to interpret.

NAPLs at hazardous waste sites are often complex mixtures.

But the effects of seemingly simple policies are often complex.

Existing neuropsychological tests are often complex and time-consuming.

However, biomolecular environments in vivo are often complex and dynamic.

Environmental problems are often complex and involve fundamental value contradictions.

Medication regimens for older adults are often complex and costly.

The seafood dishes, like Oceana's, are often complex and painstakingly constructed.