WHAT DOES TITS MEAN?

any of various compact, extended-winged passerine birds on the family Hirundinidae, famous for his or her swift, graceful flight and to the extent and regularity in their migrations大量使用，大量夺走（贵重之物） Taxes have swallowed up nearly 50 % of my spend raise. 我的加薪有近一半都被税收抵消了。In keeping with a sa