He often thinks about problems from a humanitarian perspective.

His company is facing the risk of a hostile takeover.

He is spending a lot of time on experimental research.

That plan is too impractical, it's difficult to implement.

I'm troubled by his unproductive attitude.

He was affected by secondary effects.

He accidentally held her hand.

Thinking sensibly, that plan will not succeed.

This is a preliminary plan.

He is interested in diachronic linguistics studies.