covered calls 不好意思 忘记说明是在金融中的意思

covered calls 不好意思 忘记说明是在金融中的意思 calls covered covered calls是什么 calls是什么意思 who calls? Nature calls Be covered 什么是Covered be covered was covered be covered the snow __now,the ground is covered with white snow.A stopped B is stoping Cstops Dhas stopped不好意思，吧now 去掉 不好意思， 不好意思, 不好意思, what he calls me里calls是双宾?