achievement is largely due to...: thành tích phần lớn là do...
trên quy mô lớn; rộng rãi
'lɑrdʒlɪ /'lɑː- adv. +in large part; mainly or chiefly +on a large scale
chiefly, mainly, as a rule, by and large, generally, in general, to a great extent, mostly, in great part, in great measure, in the main, on the whole, pretty much, essentially, at bottom, basically, fundamentally:
The voters are largely in favour of keeping the present government.
Advanced English Dictionary
+adverb to a great extent; mostly or mainly: the manager who is largely responsible for the team's victory + It was largely a matter of trial and error. + He resigned largely because of the stories in the press.
Random quote: Let me tell you the secret that has led me to my goal: my strength lies solely in my tenacity: Louis Pasteur