Sentence examples for this is unpredictable from inspiring English sources

Most clones suffer a decline in productivity during the extended culture periods required to reach manufacturing scale, yet this is unpredictable and varies from clone to clone.

One of the reasons for this is unpredictable quality and properties of flax fibre, because they depend on environmental factors, retting duration and growing conditions.

Small pseudoaneurysms may spontaneously thrombose, but this is unpredictable and surgical treatment in the acute phase is often minimal and successful.

24– 41 Surgical resection can be very effective in selected cases if the metastases are solitary or few in number, or if they are sequential in their clinical appearance, 9– 11 but this is unpredictable with recurrence being commonplace.

It also has the potential to influence individual responses, though this is unpredictable and appears to be dependent on other factors such as the degree of agency and choice amongst those involved in the EFHIA.

"Before, this was unpredictable," the House Democratic leader, Nancy Pelosi of California, said as she urged strong consideration for the proposals.

We do not discuss this change further because this phenomenon is unpredictable.

This city is unpredictable.

"But he knows this race is unpredictable.

This process is unpredictable; reservoirs are extremely temperamental.

The point at which this happens is unpredictable, but the more people who are immunised, the smaller the risk.