It has more influence factors, it's more difficult to predict it, and it's more complex to control it.

岩盐水溶开采沉陷的影响因素更多、预测更难、控制更复杂。

youdao

That makes it much more difficult to predict who will sing the all-important tune, which will be guaranteed a air plays in the next year.

这样一来，想要预测谁会演唱这首来年将被广泛传播的歌曲就更难了。

youdao

That makes it much more difficult to predict who will sing the all-important tune, which will be guaranteed a zillion air plays in the next year.

这样一来，想要预测谁会演唱这首来年将被广泛传播的歌曲就更难了。

youdao

Local and regional weather patterns are more difficult to predict, as anyone who has relied on a five-day weather forecast can understand.

NEWYORKER: The Climate Fixers

Philip Shaw, chief economist at the investment bank Investec, said the Bank of England's monetary policy decisions were getting more difficult to predict.

BBC: Bank of England rejects more stimulus

The rating agency downgraded French debt one notch to AA1, saying its resilience to future euro area shocks is becoming more difficult to predict.

FORBES: Stocks Survive Hewlett-Packard's Big Bungle, France's Downgrade