Sentence in question:
To begin with, for students lacking determination or easily change their mind, a gap year may lure them away from future studies as many could lose interests in study during this period.
The sentence meant to express two kinds of students would be affected by the gap year before attending university. One are those who "lack of determination", the other are those who could "easily change their mind".
Is the phrase in bold correct? If not, what is the correct way to express the phrases in bold?