Protectionist policies are introduced to protect domestic industries from foreign competition.

The introduction of a new system takes time and cost.

We decided to introduce a new system.

This competition is very tough.

We are competing in business.

This policy is necessary to stimulate the economy.

We have a responsibility to protect nature.

I am fulfilling the role of standing watch over ancient traditions.

He decided to work in a foreign country.

He loves traveling within the country.