He understands the process of rationalization.

He is working hard to rationalize the equation.

His dream finally became a reality.

His dream finally became a reality.

He is working hard to substantiate that idea.

This technology has not yet been made practical or useful.

There are still many challenges left to put this technology into practical use.

By visualizing this data, the problems become clear.

In Japan, the debate on the legalization of marijuana continues.

In Japan, the legalization of marijuana is being discussed.