2. gigantic   adjective   

原句: They are the best-positioned company in a gigantic market.

意思: extremely large

字源: early 17th cent. (in the sense ‘like or suited to a giant’): from Old French, via Latin from Greek gigas, gigant- + -ic. 

例句: The problem was beginning to take on gigantic proportions.

3. aggregate   verb   

原句: Yahoo became one of the web's most popular news sources by aggregating and featuring other people's journalism.

意思: to put together different items, amounts, etc. into a single group or total

字源: late Middle English: from Latin aggregat- ‘herded together’, from the verb aggregare, from ad- ‘towards’ + grex, greg- ‘a flock’. 

例句: The scores were aggregated with the first round totals to decide the winner.

4. harness   verb   

原句: Harnessing 400,000 freelance writers, photographers and videographers from Associated Content, a firm that Yahoo bought in May.

意思: to control and use the force or strength of sth to produce power or to achieve sth

字源: Middle English: from Old French harneis ‘military equipment’, from Old Norse, from herr ‘army’ + nest ‘provisions’. 

例句: We must harness the skill and creativity of our workforce.

5. woo   verb   

原句: Although others including AOL and Demand Media are also wooing freelancers.

意思: to try to get the support of sb

字源: late Old English wōgian (intransitive), āwōgian (transitive), of unknown origin. 

例句: Voters are being wooed with promises of lower taxes.