A macro is used to design variables or procedures , to allow code reuse , or to define domain-specific languages .
A macro is used to design variables or procedures , to enable reuse of code , or to define domain-specific languages .

Are these two sentences paraphrases of each other?
yes

Born Chloe Wang in Chicago , Illinois , Chloe Bennet is the daughter of Bennet Wang , an investment banker , and Stephanie Crane , an internist .
Chloe Wang was born Chloe Bennet in Chicago , Illinois . She is the daughter of Bennet Wang , an investment banker and Stephanie Crane , an internist .

Are these two sentences paraphrases of each other?
no

In 1955 , it became the Central Electricity Generating Board , which in turn became the Central Electricity Authority in 1957 .
In 1955 , the company became the Central Electricity Authority , which in turn became the Central Electricity Generating Board in 1957 .

Are these two sentences paraphrases of each other?
no

Pseudostellaria jamesiana is a species of pink flowering plant in the tuber family , known by the generic names sticky starworth and pink starwort .
Pseudostellaria jamesiana is a species of flowering plant in the pink family known by the common names tuber starwort and sticky starwort .

Are these two sentences paraphrases of each other?
no