为什么服务一个高度忠诚的顾客的成本原则上与服务其他类型的回头客的成本是不同的，这一点完全不清楚。

It is not at all clear why the costs of serving a highly loyal customer should in principle be different from those of serving any other type of repeat customer.

youdao

这个发布服务属于聚合发布类型。

This publish service is of the aggregate publish type.

youdao

每个服务只能服务某种请求类型。

Each service can only serve a certain type of request.

youdao

So might have been seen long and that might be correct on some servers, but very, very often the data type called "long" is actually 4 bytes.

你们有可能看到过long，那个在一些服务器上是正确的,但是非常，非常普遍的是，那个叫做“long“的数据类型,只占有4个字节。

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