The police are making a concentrated effort to confiscate pirated books across city.
We should gather our forces together so we can deal our opponent a crushing blow.
Only when I am by myself can I concentrate and ponder on problems.
Their community gained access to central heating powered by waste heat.
This building has changed from a centralized heating system to an individual heating system.
The pipes and power lines of the old city area are aging seriously. We should concentrate all efforts on maintaining them and replace them with new ones if necessary.
The second congress of the Communist Party brought forward the proposition to establish a "democratic united battlefront". The assembly focused on on the establishment of a democratic revolutionary creed.
The advantage of a corporate partnership is that it can pool funds, and enlarge the scale to make the company more powerful.
This impressive and graceful poem makes a concentrated display of the successes our society has achieved since the founding of our nation.
Let's get down to discussing the problem. Let's have no digressions for the moment.