His early years at the bar were very lean.
他早年在律师界的工作毫无起色。
In recent years, the cinema has fallen on lean times.
近几年，电影业遇上了不景气时期。
Over the past 20 years, many companies have given lean production a try.
过去的20年中，许多公司都尝试过精益生产。
Over the past 20 years, many companies have given lean production a try.
过去的20年中，许多公司都尝试过精益生产。
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