Sentence examples for they remain difficult from inspiring English sources

"They remain difficult negotiations.

However, up to now, they remain difficult to transfer to industrial applications because of some technical constraints in their design.

While diaspora, displacement and migration increasingly define the human experience they remain difficult subjects to engage with and teach.

Market conditions have improved since the depths of the financial crisis, but they remain difficult, bankers and analysts say.

Surface deposits of stone artefacts are the most common feature of the Australian Aboriginal archaeological record, but they remain difficult for archaeologists to interpret.

However, the authors note that awareness of biodiversity risks is still at an early stage, partly because they remain difficult to quantify.

They also remain difficult to use for most businesses.

Comparisons of Bt-expression levels remain difficult, however, since they vary with plant age and various environmental factors [53].

Still, there remain difficult issues.

The parliamentary numbers remain difficult.

The days ahead will remain difficult.