The American airspace agency NASA has suspended the launch of its next mission to Mars because of a fault in a key search instrument.

因探测仪存在问题，美国国家航空航天局决定暂停火星发射任务。

Smith realized that manufacturing, division of labor, specialization, and free trade are the key instruments of a great economy. While Smith understood the gains of a free market and individual self-interest, he was also concerned with its potential pitfalls.

斯密意识到制造业、劳动分工、专业化和自由贸易是伟大经济的关键工具。虽然斯密了解自由市场和个人利益的好处，但他也担心其潜在的陷阱。