Sentence examples for be sustained only when from inspiring English sources

Lin (1988, 1990) argues for the free right to exit according to his observations of agricultural cooperative movements in China, which suggests cooperation could be sustained only when household members had the right to leave the team when they had detected shirking members.

4 Thus, although our model supports the notion that a highly efficacious PE subunit vaccine may well be within reach, control of malaria is likely to be sustained only when used in conjunction with other tools 5 such as bednets 29 and fungal biopesticides.

But the study also found that while high-level political commitment has been essential to the development of new laws protecting children's rights, social change has been sustained only when that commitment has been matched by effective law enforcement, allocation of adequate resources and the engagement of all levels of society.

It can be sustained only with a strong national mandate.

Thatcher was sustained only by one extraordinary piece of luck.

Hill farming is sustained only with extravagant public subsidies.

This claim is part of Hume's more general claim that our indirect passions (including our moral sentiments) are aroused and sustained only when the pleasurable or painful qualities concerned (e.g. the virtues and vices) stand in a durable or constant relation with the person who is their object (T, 2.1.6.7/292 3; DP, 2.11).

The resource can be optimally used and sustained only when the quantity and quality of the groundwater is assessed.

Economic progress can only be sustained when the population is fed, educated, healthy and happy.

Although high-level political commitment is essential to the development of new laws that protect children's rights, social change can only be sustained when that commitment has been matched by effective law enforcement, allocation of adequate resources and the engagement of all levels of society.

The idea is that the validity of the state's claim to the territory cannot be sustained when secession is the only remedy that can assure that the fundamental rights of the group will be respected.