A lot of people are now making serious investments.

Why not make a serious investment in so constructive a project?

In the 1980s, the town became the object of serious governmental investments.

There is time to adjust, but it requires very serious investments in labor and money.

But an entirely new wave of serious investment by overseas Chinese is occurring, experts say.

Without some measure of political and monetary stability, there is also no hope for serious foreign investment or aid.

Journalists feel responsible for protecting a serious financial investment each season.

Even when there's serious investment, results are hard to come by.

"It is going to require some serious investment in terms of management resources and focus," she said.

Among computer science researchers, the company is beginning to win respect for making serious investments in basic research.