• Sometimes barium contrast studies are appropriate (or worthwhile).

см. тж. когда это ~; полезно; рекомендуется

• It is appropriate to consider this topic in more detail.

• It makes sense to classify rocks according to ...

• A patient with haemolytic anaemia is best admitted to hospital.

• There is good reason to consider the weathering of ...

• It is profitable (or well) to consider the ways in which points can be arranged to give a repeating array.

• Some of these features merit close examination.

• It is worthwhile investigating the behaviour of a gas.

• It is sometimes worthwhile to dehumidify the inlet gas by ...

• It is advantageous to use ...

• It is more expeditious to make use of ...

• Here it is wise (or advisable, or expedient, or good practice) to build a wooden platform a few inches from the floor.

• The new technique has a wider field of application and deserves (or is deserving of) closer study.

• This area is worthy of further investigation.