Englishfor English speakers
very serious English
Synonyms very serious synonyms
What other words have the same or similar meaning as very serious?
very serious English » English
Examples very serious examples
How do I use very serious in a sentence?
News and current affairs
But, with some three billion or so users on the Web nowadays, that very openness has become a serious vulnerability; indeed, it is endangering the vast economic opportunities that the Internet has opened for the world.