If you need to invoke a different target service, all you have to do is to add its import and reference to the data handler assembly diagram so the data handler can locate the service.

如果您需要调用不同的目标服务，只需将其导入和引用添加到组装关系图，以便数据处理程序能找到此服务即可。

youdao

All you can do is hope and trust that when you've served its needs faithfully.

你只能希望并且相信当你忠实的满足它的需要。

youdao

If you wanted to make sure that a new offer can only be taken if its amount is higher than the previous offer, then all you have to do is add a validation function to the ref declaration.

如果想确保在新的提供值的数量比原有提供值更高时，只接受新的提供值，那么仅需为ref声明添加验证函数。

youdao

"You can't do any testing when Ebay changes its search technology and fees all the time, " says former Ebay seller and consultant Randy Smythe.

FORBES: Too Smart for its Own Good