The communication fails without the proper import and export definition.

没有恰当的导入和导出定义，通信将失败。

youdao

In addition to these changes, you need to create a service export definition for every request handler.

除了这些变更，您需要为每个请求处理程序创建一个服务导出定义。

youdao

As individuals we trade products for products, so in order to export we must by definition import.

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Also, if you eliminate the excess credit that fueled excess demand in rich countries, by definition you do away with the demand itself and with a substantial portion of China's export-led growth.

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