Sentence examples for migration is usually from inspiring English sources

Migration is usually voluntary.

Finally, the consolidation of international migration is usually related to network effects that support transnational movements generated by particular institutions in the host and the receiving country.

Given the design of the policy, these statistics are consistent with the targeting of remote hilly lands: in remote villages, the incidence of labor migration is usually lower because of higher associated migration costs.

As for China, migration is both costly and risky for peasants with low education and skills and with poor access to information, markets and capital, and because of the liquidity constraint, labor migration is usually undertaken by the better-off rural households ( Uchida et al. 2009 ).

Migration is usually at night, but may occur during the day, especially when over water.

Migration is usually during the day, in flocks, and at low altitudes.

Phenomenological approaches to model species migration are usually based on kernel-based methods.

We use employment data on 2 years instead of 1 year after migration because the data on 1 year after migration are usually not well registered.

These migrations are usually short, moving between stagnant areas and areas with higher water flow.

Our results indicate a significant internal migration in Scandinavia that is increasing in the Late Iron Age at the same time as the Viking expansions (the more well studied external migration), which is usually the only migration discussed.

This could be a reasonable approximation at low temperature where the interstitial are highly more mobile than vacancies (interstitial migration energy is usually much smaller than its vacancy counterpart in most solids), but it does not hold at high temperature.