1.stock exchange (n) a market where stocks and shares are bought and sold under fixed rules, but at prices contralled by supply and demanad : thi truong chung khoan

2. considerbly (ADV) much : nhieu, lon ,dang ke

3.cone into being to begin to exist : ra doi, hinh thanh

4. essentual (n) a necessary basic element or thing :net doc dao ,net co ban

5.whenever :at any time :bat ky luc nao

6.reasonably (adv) in a logical and senible way : mot cach hop ly

7. lock up money in a company to invest money so that it can not easily be converted into cash forever : dau tu dai han, von nam mai o mot cong ty

8. quotation (n) a statement of the current price of stocks : su yet gia

9. scope(n) the range or extent of matters being dealt with, studied : linh vuc,pham vi