Sentence examples for difficult to substitute from inspiring English sources

They make it very difficult to substitute players on defense".

Where it is difficult to substitute natural resources, the skills of planning and managing natural resources will take priority over other strategies.

More difficult to substitute is singer Lo Polidoro, who, judging by other photographs, is the kind of lady the pre-Raphaelite brotherhood would have done their collective nut for: a vision of tumbling, ivy-garlanded tresses.

Both Britain and Sweden "have had to face a situation the electricity they generate from existing reactors would be extremely difficult to substitute with anything else but nuclear," Luis Echávarri, director general of the Organization for Economic Cooperation and Development's Nuclear Energy Agency, an organizationthat advises industrialized countries, said.

This paper will focus on a set of critical materials, mostly named as single elements, that are metals, at risk of supply constraints, have environmental implications, financially costly, price volatile, deemed economically important and are difficult to substitute as a result of their unique properties or for economic reasons.

Patent sharks seem to have adopted a new strategy that they are likely to begin following more frequently: trapping manufacturers with patent-protected technology that is difficult to substitute for under any circumstances not only under time pressure but also in the long run once it is integrated into a complex product or technology standard.

On the other hand, it has also been documented that occupations which perform jobs that are more difficult to be substituted by technology, such as abstract qualified occupations or unqualified jobs which require interpersonal skills, are rising in relative employment terms.

Dairy products are particularly difficult to replace, says Daniel Granato, a researcher at the Federal University of Paran?Brazil, because the intrinsic attributes of dairy foods come from proteins and fats that are difficult to mimic in a nondairy substitute.

Dairy products are particularly difficult to replace, says Daniel Granato, a researcher at the Federal University of Paraná, Brazil, because the intrinsic attributes of dairy foods come from proteins and fats that are difficult to mimic in a nondairy substitute.

That makes it more difficult for pharmacists and insurers to substitute a less expensive alternative.

And it may be difficult to find a way to substitute these losses.