A message engine has exclusive control of its own data store, so no other message engine can be linked to that data store.

消息引擎具有其自身数据存储的专用控件，因此其他消息引擎不能链接到它的数据存储。

youdao

They're putting the merchandise they saw in your store into a search engine.

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The phones there don't come with official Google services like the company's search engine or the Android Market app store.

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The company expected same store sales in China, its growth engine, to take a 25% tumble.

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