Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
region –n. an area that is different than others for some reason
flexibility –n. showing a willingness to change or try something different
protectionist –adj. supporting businesses in one's own country while making laws to limit products from other countries
provisions –n. conditions that are part of an agreement
controversial –adj. describing a subject that is much debated or disagreed upon
pharmaceuticals –n. medicines
