целесообразно

. когда это целесообразно; полезно; рекомендуется

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It is appropriate to consider this topic in more detail.

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It makes sense to classify rocks according to ...

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A patient with haemolytic anaemia is best admitted to hospital.

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

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

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Some of these features merit close examination.

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It is worthwhile investigating the behaviour of a gas.

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

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It is advantageous to use ...

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It is more expeditious to make use of ...

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

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

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This area is worthy of further investigation.