know ditch
知道沟
以上为机器翻译结果，长、整句建议使用 人工翻译 。
At the time I emailed about a dozen tech guys I know, owners and employees at IT firms, and asked them if I should bite the bullet, ditch the BlackBerry and get a different smartphone.
FORBES: BlackBerry Made Me A Loser. But Could Microsoft Make Me A Winner?
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