authuir commented on a change in pull request #12420:
URL: https://github.com/apache/flink/pull/12420#discussion_r443218585
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File path: docs/dev/table/streaming/joins.zh.md
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@@ -88,8 +85,8 @@ rowtime amount currency
11:04 5 US Dollar
{% endhighlight %}
-`RatesHistory` represents an ever changing append-only table of currency
exchange rates with respect to `Yen` (which has a rate of `1`).
-For example, the exchange rate for the period from `09:00` to `10:45` of
`Euro` to `Yen` was `114`. From `10:45` to `11:15` it was `116`.
+字段 `RatesHistory` 表示不断变化的汇率信息。汇率以日元为基准（即 `Yen` 永远为 1）。
+例如，`09:00` 到 `10:45` 间欧元对日元的汇率是 `114`，`10:45` 到 `11:15` 间为 `116`。
Review comment:
已合并。
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