trouble-free operation

例句：

1. 1. The new softwarehas a trouble-free operation that makesit easy to use.
   这款新软件具有无故障的操作，使用起来非常便捷。
2. 2.The company's trouble-free operationhas made it one of the most reliablesuppliers in the industry.
   该公司的无故障操作使其成为业内最可靠的供应商之一。
3. 3.The engineers worked tirelessly to ensurethe trouble-free operation of the newmachine.
   工程师们不懈努力，确保新机器的无故障运行。