The past two decades have seen a renaissance of string-instrument-making (violins, violas and cellos) by luthiers across the world.
对制琴师来说，近二十年是全球弦乐制作的复兴时期。
2
But prices send important signals, making price controls a blunt instrument.
但是价格传达了一个重要的新号，使得价格管制成为了一种精确的工具。
3
One of the keys to making something "smarter," in our sense of the word, is to instrument systems or services in order to provide real time information about what is really happening (Figure 2).