Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
vulnerable - adj. easily hurt or harmed physically, mentally, or emotionally
prosperity - n. the state of being successful usually by making a lot of money
access - n. a way of getting near, at, or to something or someone
affordable - adj. to be able to pay for something
reliable - adj. able to be trusted to do or provide what is needed : able to be relied on
greenhouse - adj. relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution
overwhelming - adj. very great in number, effect, or force
