The complementary work of scientists and technologists is also referred to, respectively, as research and development. Both government and private industry allocate large sums of money to support the research and development activities of scientists and engineers. Without such support, there would be little improvement in the processes, products, and services that are derived from these activities.
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Conducting policy without such support is very difficult in the short term and unsustainable in the long term.
短期来看，在没有国内支持的情况下推行政策难度极大，长期来看则无法维持。
Without commitments to such support, the negotiations ahead will prove very difficult.
没有此种支持的承诺，以后的谈判就会举步维艰。
This also allows a number of higher-level models such as SOAP to leverage support for reliable messages without requiring each to define its own extensions for reliable message delivery.
它也允许很多像SOAP这样的更高层模型不必分别为可靠的消息传递定义各自的扩展就能利用对可靠消息的支持。
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