1. Imposing speed restrictions is easy, but forcing drivers to observe them is trickier. 实行速度限制容易,而迫使司机遵守较难。
2. Profound changes in the workforce are making teams trickier to manage. 劳动力市场发生巨变,使得团队管理工作变得更加困难。
3. Such storms can sometimes envelop the entire planet and change the characteristics of the atmosphere, making EDL far trickier. 这样的风暴有时会包围整个地球,并改变大气层的特性,使得 EDL 更加棘手。