less than=____than

less than=____than less than more than? no less than .not less than 不同点. Tom has_____pens than Peter but ____than Jack这道题怎么写? fewer than 与less than? less than 和 fewer than more than 和less than less-than-good 是什么意思? Less healthy than 是什么意思 less/more than 造句 ____is less than ___ less than等于