Tip: A champion is not a must-have but can certainly help to ensure motivation for an initiative of this kind is maintained and staff engagement kept high.

提示：声援者并非必须具备的，但肯定有助于确保维持这种倡议的动力，保持工作人员参与的积极性。

youdao

For selectively closing the hooks, a slide is provided, which can be brought into engagement both with the tip of the fine needle and with the tip of the coarser needle.

用一既可与细针尖端又可与粗针尖端啮合的滑动件关闭粗针的钩或细针的钩。

youdao

Engagement tip: When an follower disagrees with an adviser's tweet, it's usually best for the adviser to respond.

WSJ: Using Twitter to Promote Practice, Win Clients

Engagement tip: Use Twitter's Direct Message function to engage one-on-one with new followers.

WSJ: Using Twitter to Promote Practice, Win Clients

Engagement tip: Mr. Thornton used to follow everyone who followed him.

WSJ: Using Twitter to Promote Practice, Win Clients