中国集团希望在湄公河进一步发展

benefit – n. a good outcome of some plan or activity

principles – n. guiding beliefs about right and wrong or behavior

manage – v. to direct someone or something

sustainable - adj. using methods that do not completely use up resources

initiative – n. an action, plan or program

upstream – adj. or adj. in the direction opposite to the flow of water

cycle – n. a process that repeats itself

sediment – n. soil that is carried away by water

ecosystems – n. environments and the life that depends on them

tributaries – n. rivers and streams that flow into larger rivers