In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Wave particle duality is the concept in quantum mechanics that every particle or quantum entity may be partly described in terms not only of particles , but also of waves .
Wave particle duality means that all particles show both wave and particle properties .

The City of Victoria , often called Victoria City or simply Victoria , was the " de facto " capital of Hong Kong during the British colonial period .
Victoria City is technically the capital of Hong Kong .

Three species may be recognized : " Cannabis sativa " , " Cannabis indica " , and " Cannabis ruderalis " ; " C. ruderalis " may be included within " C. sativa " ; all three may be treated as subspecies of a single species , " C. sativa " ; or " C. sativa " may be accepted as a single undivided species .
There are three species : " Cannabis sativa " , " Cannabis indica " , and " Cannabis ruderalis " .