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freewill; unforced | |||
willing | |||
unsolicited | |||
voluntary | |||
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voluntary | |||
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unbidden |
自 愿的 : 33 phrases in 13 subjects |
Bioenergy | 2 |
Business | 2 |
China | 4 |
Demography | 1 |
Economy | 5 |
General | 6 |
Marketing | 1 |
Name of organization | 3 |
Politics | 1 |
Project management | 2 |
Securities | 4 |
Sports | 1 |
United Nations | 1 |