adds是什么意思？

It adds too much to their medical bills.

Cracker Jacks has been "gamifying" its snack food by putting a small prize inside for more than 100 years, he adds, and the turn-of-the-century steel magnate (巨头 Charles Schwab is said to have often come into his factory and written the number of tons of

He adds, "The tragedy is that he didn't follow his own advice."

It adds to the humor of the text

Energy to power machinery, both on the farm and in the storage and processing facilities, adds to the energy total, which currently represents about 3.1% of annual global energy consumption.

A new study from the Center for Information and Research on Civic Learning and Engagement (CIRCLE) at Tufts University shows that today's youth vote in larger numbers than previous generations, and a 2008 study from the Center for American Progress adds that increasing numbers of young voters and activists support traditionally liberal causes.