The set covering problem teaches binary decision variables; that is, they can only be 0 or 1, yes or no.

集合覆盖问题涉及的是二元决策变量；也就是说，它们的值只能是0或1、yes或no。

youdao

After all, there's no such thing as a single solution for a given business problem, and they all have pros and cons. Here are some of the technical cons that factored into the decision.

毕竟，对于这样一个给定的业务问题不可能只有这样一个解决方案，它们各有优缺点。

youdao

It was Liam Fox's decision to resign, but in truth he had no choice: eight solid days of negative headlines and no sign of the problem going away.

辞职这一决定是利安姆·福克斯自己做出的，但事实上他也毫无选择：连续八天登上头条度面新闻，问题没有解决的迹象。

youdao

He said he had no problem with his alma mater's decision to withhold the honorary doctorate.

WSJ: NFL Owners Making News Off the Field

When there is no crisis, or when there is little or no paradigm change, the Japanese decision-making process is not a problem.

CNN: STORY HIGHLIGHTS

"I made this decision because I have the certainty that evaluations and controls were made and there is no problem with the quality of products, " Mr. Le Foll said on Tuesday in an interview on Europe1 radio.

WSJ: Nestl�� Pulls Products After Horse Traces Found