Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
trend -n. a general direction of change : a way of behaving, proceeding, etc., that is developing and becoming more common
partisan -adj. strongly supporting one leader, group, or cause over another
certain -adj. used to refer to something or someone that is not named specifically
practice -n. something that is done often or regularly
abortion -n. a medical procedure used to end a pregnancy and cause the death of the fetus
