I. grey [greı] 形
| I | grey |
|---|---|
| you | grey |
| he/she/it | greys |
| we | grey |
| you | grey |
| they | grey |
| I | greyed |
|---|---|
| you | greyed |
| he/she/it | greyed |
| we | greyed |
| you | greyed |
| they | greyed |
| I | have | greyed |
|---|---|---|
| you | have | greyed |
| he/she/it | has | greyed |
| we | have | greyed |
| you | have | greyed |
| they | have | greyed |
| I | had | greyed |
|---|---|---|
| you | had | greyed |
| he/she/it | had | greyed |
| we | had | greyed |
| you | had | greyed |
| they | had | greyed |
单语范例（未经PONS编辑处理）
Additionally, the report found that electronic payments helped to minimize what is commonly referred to as the grey economy -- economic activity that is often cash-based and goes unreported.
www.vanguardngr.com In his analysis he took account of inflation, of foreign trade turnovers, and of the grey economy.
en.wikipedia.org They may move into the black or grey economy.
theconversation.com Instead, the danger here is that a space will be left wide open for a grey economy based on exploitation of migrants within private households.
leftfootforward.org Although official data show that 27.5 percent of its working population is unemployed, at least another 20 percent of people are estimated to be engaged in the so-called grey economy.
en.wikipedia.org