The phrase "significant mark" is grammatically correct and can be used in written English
It refers to a notable or important symbol, sign, or feature in a sentence or text. Example: The author's use of foreshadowing in the first chapter of the novel was a significant mark, giving readers a hint of what was to come in the story.
That, he continued, would be "a pretty significant mark".
Were there others, inspired by Nirvana, who left a significant mark?
Tate Modern's director, Chris Dercon, said the commissions had made a significant mark on the recent history of art.
But in the five years he ran Theater Genesis, as he called his enterprise, Mr. Cook made a significant mark.
Instead, it appears Mr. Cook could make his earliest and most significant mark by changing how Apple's products are made.
His 23rd gold medal also took him to a personally significant mark; his great hero Michael Jordan always wore that number for the Chicago Bulls.
"They say it gives them flexibility, but long term it isn't a good use of public money – they charge a significant mark-up".
On the other, food for some people has become associated with cultural superiority: striving to eat more natural, more local, more sustainable, often at a significant mark-up.
"I think what we're seeing in Australia is very much the focus on acquiring premium, highest quality, high-value brands that will enable a very significant mark-up or profit with the wealthiest element of Chinese society".
Stock index futures fell sharply on Thursday evening after JPMorgan Chase stunned investors with news that its chief investment office had incurred "significant mark-to-market losses" that it said could "easily get worse".
I wasn't any good at games, so when all these very energetic fellows spent the afternoon exhausting themselves on the soccer playing fields of Shrewsbury, I used to carry lemonade up the hill and sell it at a significant mark-up".
