It is difficult to forecast stock market trends.

股票市场趋势很难预测。

youdao

Of course, exchange rates are notoriously difficult to forecast.

当然，汇率变动的预测之难是众所周知的。

youdao

Of course, exchange rates are notoriously difficult to forecast.

当然，汇率变动的预测之难是众所周知的。

youdao