A book or other product that sells in very large numbers
Bestseller
_____ English is still the most dominant language on the internet, other languages (like Mandarin, Russian, Spanish, Portuguese) will become increasingly important.
While
Tell something to someone
Run something by someone (example: run that by me)
A person who leads the way in fashion or ideas
Trendsetter
_____ way you look at it, children need to start learning English when they are as young as possible.
Whichever
To not understand a situation correctly
Get the wrong end of the stick
Stagnate
_____ being able to use simultaneous translation on their phones to speak to each other, people will still want to learn another language.
Despite
To reach the main or most important idea of something that is said or written
Get to the point
A general direction in which something is developing or changing
Trend
_____ people continue to use English to communicate on the internet, the language itself will continue to change.
Whilst
Phrase that is used to show that what you are describing is in fact much more serious or important than you have suggested
To say the least