外币资产增加，主要是因为外币投资的估值，以及来自外币资产的利息及股息收入。

The rise in foreign currency assets was due mainly to valuation gains on foreign currency investments, and interest and dividend income from foreign currency assets.

其他外汇资产。从这个意义上说外汇就是外币资产。

Other foreign currency assets. In this sense, foreign exchange is the foreign currency assets.