Please, if you practise that often, you will notice a marked difference.

如果你经常做这样的练习，会得到显著的改变。

From the very beginning in colonial times there had been a marked difference between the South and the North.

从殖民时代一开始，南方和北方之间就存在着明显的差异。

But the massive influx of women entering the formal workforce of factories and offices for wages during WWII marked a sharp difference in the quality of women's labor.

但二战期间女性职工大量涌入工厂和办公室，成为正式劳动力并领取工资，这标志着女性劳动质量的巨大差异。

Good evening or I should say good morning because it just clocked over midnight and there's been a marked difference in the weather here in Carolina Beach in North Carolina.

晚上好，或者我应该说“早上好”，因为现在是刚刚午夜过后，而北卡罗来纳州的卡罗莱纳海滩的天气发生了剧变。

This is a very subtle example, and it would be possible to argue about it, but everyone would at once agree that there is a marked difference between the next two statements.

这是一个非常微妙的例子， 可能会争论不休，但每个人都会立即同意接下来的两个陈述之间存在显着差异。

It can be shown that plants most widely different in habit and general appearance, and having strongly marked differences in every part of the flower, even in the pollen, in the fruit, and in the cotyledons, can be crossed.

可以证明， 在习性和一般外观上差异最大的植物， 以及在花的每一部分，甚至在花粉、 果实和子叶中都具有强烈显着差异的植物， 是可以杂交的。